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Calculate your monthly loan payment, total interest, and see an amortization preview instantly.

Convert your hourly wage to an annual salary. See weekly, monthly, and yearly pay instantly.

Convert your annual salary to an hourly rate with weekly and monthly breakdowns.

Calculate compound interest on your savings or investments with monthly contributions.

Calculate percentages, increases, decreases, and more. Simple and fast.

Calculate restaurant tips and split bills between friends. Fast and simple.

Calculate sale prices and savings instantly. See how much you save on any discount.

Estimate your monthly mortgage payment, total interest, and amortization schedule.

Convert your yearly salary to monthly, biweekly, and weekly breakdowns.

Convert monthly salary to weekly and daily pay breakdowns.

See how your savings grow with regular deposits and compound interest.

Calculate your investment return and ROI percentage over any time period.

Calculate how long it takes to pay off credit card debt and total interest.

Plan your monthly budget by category. See income vs expenses at a glance.

Calculate monthly loan payments, total interest, and payoff schedule.

Calculate how much to save monthly to reach your financial goal.

Project your retirement savings based on contributions and investment returns.

Calculate how inflation affects purchasing power over time.

Calculate your personal net worth by adding assets and subtracting liabilities.

Estimate your US federal income tax and effective tax rate.

Convert between major world currencies with approximate exchange rates.

Calculate how long to pay off debt and total interest using avalanche or snowball method.

Calculate your ideal emergency fund size based on monthly expenses.

Calculate the dividend yield of a stock from annual dividends and share price.

Calculate your debt-to-income ratio (DTI) for mortgage and loan qualification.

Calculate your new salary after a raise and see the dollar increase.

Calculate how long it takes to double an investment using the Rule of 72.

Calculate the Annual Percentage Rate (APR) from interest rate and fees.

Calculate the future value of an investment with regular contributions.

Convert annual salary to hourly, weekly, biweekly, and monthly rates.

Calculate the minimum hourly rate to charge as a freelancer.

Calculate the return on a stock investment including dividends.

Calculate the Price-to-Earnings ratio for a stock.

Calculate if refinancing your mortgage makes financial sense.

Calculate the Net Present Value (NPV) of a series of cash flows.

Calculate your take-home pay after federal and state taxes.

Calculate gross and net rental yield on an investment property.

Calculate compound annual growth rate (CAGR) from start and end values.

Calculate fuel efficiency (MPG) and cost per mile for your vehicle.

Calculate monthly mortgage payments and view full amortization schedule.

Calculate your annual fuel cost based on miles driven, MPG, and gas price.

Plan your wedding budget with itemized cost estimates for every wedding expense.

Calculate self-employment tax and deductions for freelancers and small businesses.

Calculate your FIRE number and years to financial independence.

Compare unit prices to find the best value between different sizes or quantities.

Generate a full loan amortization schedule showing principal, interest, and balance each month.

Calculate your net worth by entering your assets and liabilities.

Calculate GST/VAT inclusive or exclusive prices with customizable tax rates.

Calculate loan-to-value ratio for mortgage and refinancing applications.

Calculate sales tax for any US state or custom rate. Find total price with tax.

Calculate new salary after a raise, cost of living adjustment, or promotion.

Calculate your GPA quickly. Add classes, grades, and credit hours for weighted results.

Find out what grade you need on your final exam to get your desired course grade.

Calculate your exact age in years, months, and days from your date of birth.

Calculate your Body Mass Index (BMI) and see where you fall on the scale.

Calculate your current grade or what score you need on the final.

Calculate depth of field, hyperfocal distance, and near/far limits for photography.

Calculate how many study hours you need to prepare for exams or learn new material.

Find your Sun, Moon, and Rising signs from your birth date and time.

Calculate how long it takes to read any text based on word count and reading speed.

Calculate markup percentage from cost and selling price. Simple and fast.

Calculate profit margin from revenue and cost. See gross and net margins instantly.

Calculate how many units you need to sell to break even. Fast and simple.

Calculate return on investment from initial cost and final value. Quick and easy.

Calculate customer lifetime value (CLV) for your business.

Calculate your company's employee turnover rate and cost of turnover.

Calculate engagement rate for Instagram, TikTok, Twitter, and other platforms.

Calculate invoice totals with multiple line items, discounts, and taxes.

Calculate Net Promoter Score (NPS) from survey responses to measure customer loyalty.

Estimate your Google AdSense and website advertising revenue from pageviews and RPM.

Compress images without losing visible quality. See before/after and file size comparison.

Resize images to any dimension. Supports JPG, PNG, and WebP formats.

Crop images to any size or aspect ratio. Free, fast, and browser-based.

Format, beautify, and validate JSON instantly. Copy formatted output with one click.

Generate strong, random passwords with customizable length and character types.

Generate random UUIDs (v4) instantly. Copy with one click.

Encode text to Base64 or decode Base64 strings instantly. Free and private.

Encode or decode URLs and query parameters instantly.

Generate QR codes for URLs, text, email, or phone numbers. Download as PNG.

Generate random numbers within any range. Perfect for games, decisions, and more.

Check the strength of any password instantly — no data is sent to any server.

Generate random, strong passwords with customizable length and character sets.

Generate SHA-256, SHA-1, and other cryptographic hashes from any text.

Minify and compress CSS code to reduce file size.

Encode and decode HTML entities like &, <, >, and more.

Test and debug regular expressions with real-time match highlighting.

Look up ASCII codes and convert between characters and their numeric values.

Convert color codes between HEX, RGB, HSL, and HSV formats.

Build cron expressions visually for task scheduling.

Calculate network address, broadcast address, and host range from an IP and subnet mask.

Convert text to binary code and binary back to text.

Generate CSS box-shadow code visually with live preview.

Decode resistor color bands to find resistance value in ohms.

Convert JSON arrays to CSV format for Excel, Google Sheets, and data analysis.

Look up any IP address to find geolocation, ISP, and network details.

Convert text to Morse code and play it as audio beeps.

Convert pixel values to em, rem, pt, vw, and vh for responsive web design.

Convert font sizes between px, pt, em, rem, vw, and percentage for CSS and print.

Count words, characters, sentences, and paragraphs in your text instantly.

Convert text to uppercase, lowercase, title case, and more with one click.

Count characters, words, sentences, and paragraphs in your text instantly.

Remove unwanted line breaks from text. Clean up PDF or email copy-paste issues.

Sort lines of text alphabetically, numerically, or in reverse order.

Remove duplicate lines from text instantly. Keep unique lines only.

Generate lorem ipsum placeholder text for design mockups and layouts.

Convert any text to a clean, SEO-friendly URL slug instantly.

Calculate how long it takes to read or speak any text at a given WPM.

Check if a word, phrase, or sentence is a palindrome.

Count vowels, consonants, and letters in any text.

Count unique words and calculate vocabulary diversity in any text.

Translate text to Morse code and Morse code back to text.

Convert any number to its English word representation.

Translate English text to Pig Latin and back.

Compare two texts and highlight the differences between them.

Convert letters and words into NATO phonetic alphabet codes.

Convert text to Morse code and Morse code back to text.

Convert PNG images to JPG format instantly. Free, fast, and works right in your browser.

Convert JPG images to PNG format with transparency support. No upload needed.

Convert WebP images to PNG format. Works offline, right in your browser.

Convert WebP images to JPG format instantly. Free and browser-based.

Convert HEIC/HEIF photos from iPhone to JPG format. No upload needed.

Convert shoe sizes between US, UK, European, and centimeter measurements.

Decode tire sizes and compare two tires by diameter, width, and sidewall height.

Convert between international paper sizes (A4, Letter, Legal, A3, etc.).

Convert meters to feet instantly. Free, accurate, and bidirectional.

Convert feet to meters instantly. Free, accurate, and bidirectional.

Convert kilometers to miles instantly. Free, accurate, and bidirectional.

Convert miles to kilometers instantly. Free, accurate, and bidirectional.

Convert centimeters to inches instantly. Free, accurate, and bidirectional.

Convert inches to centimeters instantly. Free, accurate, and bidirectional.

Convert meters to yards instantly. Free, accurate, and bidirectional.

Convert yards to meters instantly. Free, accurate, and bidirectional.

Convert feet to inches instantly. Free, accurate, and bidirectional.

Convert inches to feet instantly. Free, accurate, and bidirectional.

Convert centimeters to feet instantly. Free, accurate, and bidirectional.

Convert feet to centimeters instantly. Free, accurate, and bidirectional.

Convert millimeters to inches instantly. Free, accurate, and bidirectional.

Convert inches to millimeters instantly. Free, accurate, and bidirectional.

Convert kilometers to meters instantly. Free, accurate, and bidirectional.

Convert meters to kilometers instantly. Free, accurate, and bidirectional.

Convert miles to feet instantly. Free, accurate, and bidirectional.

Convert feet to miles instantly. Free, accurate, and bidirectional.

Convert nautical miles to kilometers instantly. Free, accurate, and bidirectional.

Convert kilometers to nautical miles instantly. Free, accurate, and bidirectional.

Convert kilograms to pounds instantly. Free, accurate, and bidirectional.

Convert pounds to kilograms instantly. Free, accurate, and bidirectional.

Convert grams to ounces instantly. Free, accurate, and bidirectional.

Convert ounces to grams instantly. Free, accurate, and bidirectional.

Convert kilograms to ounces instantly. Free, accurate, and bidirectional.

Convert ounces to kilograms instantly. Free, accurate, and bidirectional.

Convert pounds to ounces instantly. Free, accurate, and bidirectional.

Convert ounces to pounds instantly. Free, accurate, and bidirectional.

Convert grams to pounds instantly. Free, accurate, and bidirectional.

Convert pounds to grams instantly. Free, accurate, and bidirectional.

Convert metric tons to kilograms instantly. Free, accurate, and bidirectional.

Convert kilograms to metric tons instantly. Free, accurate, and bidirectional.

Convert milligrams to grams instantly. Free, accurate, and bidirectional.

Convert grams to milligrams instantly. Free, accurate, and bidirectional.

Convert stones to pounds instantly. Free, accurate, and bidirectional.

Convert pounds to stones instantly. Free, accurate, and bidirectional.

Convert short tons to kilograms instantly. Free, accurate, and bidirectional.

Convert kilograms to short tons instantly. Free, accurate, and bidirectional.

Convert Celsius to Fahrenheit instantly. Free online temperature converter.

Convert Fahrenheit to Celsius instantly. Free online temperature converter.

Convert Celsius to Kelvin instantly. Free online temperature converter.

Convert Kelvin to Celsius instantly. Free online temperature converter.

Convert Fahrenheit to Kelvin instantly. Free online temperature converter.

Convert Kelvin to Fahrenheit instantly. Free online temperature converter.

Convert miles per hour to kilometers per hour instantly. Free, accurate, and bidirectional.

Convert kilometers per hour to miles per hour instantly. Free, accurate, and bidirectional.

Convert miles per hour to meters per second instantly. Free, accurate, and bidirectional.

Convert meters per second to miles per hour instantly. Free, accurate, and bidirectional.

Convert knots to miles per hour instantly. Free, accurate, and bidirectional.

Convert miles per hour to knots instantly. Free, accurate, and bidirectional.

Convert kilometers per hour to meters per second instantly. Free, accurate, and bidirectional.

Convert meters per second to kilometers per hour instantly. Free, accurate, and bidirectional.

Convert feet per second to miles per hour instantly. Free, accurate, and bidirectional.

Convert miles per hour to feet per second instantly. Free, accurate, and bidirectional.

Convert knots to kilometers per hour instantly. Free, accurate, and bidirectional.

Convert kilometers per hour to knots instantly. Free, accurate, and bidirectional.

Convert square meters to square feet instantly. Free and accurate.

Convert square feet to square meters instantly. Free and accurate.

Convert acres to square meters instantly. Free and accurate.

Convert square meters to acres instantly. Free and accurate.

Convert hectares to acres instantly. Free and accurate.

Convert acres to hectares instantly. Free and accurate.

Convert square kilometers to square miles instantly. Free and accurate.

Convert square miles to square kilometers instantly. Free and accurate.

Convert square feet to square yards instantly. Free and accurate.

Convert square yards to square feet instantly. Free and accurate.

Convert square centimeters to square inches instantly. Free and accurate.

Convert square inches to square centimeters instantly. Free and accurate.

Convert liters to us gallons instantly. Free and accurate.

Convert us gallons to liters instantly. Free and accurate.

Convert milliliters to fluid ounces instantly. Free and accurate.

Convert fluid ounces to milliliters instantly. Free and accurate.

Convert liters to us quarts instantly. Free and accurate.

Convert us quarts to liters instantly. Free and accurate.

Convert us cups to milliliters instantly. Free and accurate.

Convert milliliters to us cups instantly. Free and accurate.

Convert liters to us pints instantly. Free and accurate.

Convert us pints to liters instantly. Free and accurate.

Convert cubic meters to cubic feet instantly. Free and accurate.

Convert cubic feet to cubic meters instantly. Free and accurate.

Convert bytes to kilobytes instantly. Free and accurate.

Convert kilobytes to bytes instantly. Free and accurate.

Convert kilobytes to megabytes instantly. Free and accurate.

Convert megabytes to kilobytes instantly. Free and accurate.

Convert megabytes to gigabytes instantly. Free and accurate.

Convert gigabytes to megabytes instantly. Free and accurate.

Convert gigabytes to terabytes instantly. Free and accurate.

Convert terabytes to gigabytes instantly. Free and accurate.

Convert megabytes to bytes instantly. Free and accurate.

Convert bits to bytes instantly. Free and accurate.

Convert seconds to minutes instantly. Free and accurate.

Convert minutes to seconds instantly. Free and accurate.

Convert hours to minutes instantly. Free and accurate.

Convert minutes to hours instantly. Free and accurate.

Convert hours to days instantly. Free and accurate.

Convert days to hours instantly. Free and accurate.

Convert days to weeks instantly. Free and accurate.

Convert weeks to days instantly. Free and accurate.

Convert days to years instantly. Free and accurate.

Convert years to days instantly. Free and accurate.

Convert seconds to hours instantly. Free and accurate.

Convert hours to seconds instantly. Free and accurate.

Convert psi to bar instantly. Free and accurate.

Convert bar to psi instantly. Free and accurate.

Convert psi to kilopascals instantly. Free and accurate.

Convert kilopascals to psi instantly. Free and accurate.

Convert bar to kilopascals instantly. Free and accurate.

Convert kilopascals to bar instantly. Free and accurate.

Convert atmospheres to psi instantly. Free and accurate.

Convert psi to atmospheres instantly. Free and accurate.

Convert joules to calories instantly. Free and accurate.

Convert calories to joules instantly. Free and accurate.

Convert kilocalories to joules instantly. Free and accurate.

Convert joules to kilocalories instantly. Free and accurate.

Convert kilowatt-hours to joules instantly. Free and accurate.

Convert joules to kilowatt-hours instantly. Free and accurate.

Convert btu to joules instantly. Free and accurate.

Convert joules to btu instantly. Free and accurate.

Convert watts to kilowatts instantly. Free and accurate.

Convert kilowatts to watts instantly. Free and accurate.

Convert horsepower to watts instantly. Free and accurate.

Convert watts to horsepower instantly. Free and accurate.

Convert kilowatt-hours (kWh) to joules and other energy units.

Calculate watts from amps and volts using P = V × I.

Calculate electrical power in watts from voltage and current.

Convert milligrams (mg) to milliliters (mL) based on substance density.

Convert milliliters (mL) to milligrams (mg) based on substance density.

Convert troy ounces to grams and kilograms for precious metals.

Convert stone (st) to pounds and kilograms — common British weight measurement.

Convert tablespoons to teaspoons and other cooking measurements.

Convert teaspoons to milliliters and other volume units.

Convert Celsius to Fahrenheit and Kelvin instantly.

Convert Fahrenheit to Celsius and Kelvin instantly.

Convert cubic inches to cubic centimeters and other volume units.

Convert PSI (pounds per square inch) to bar and other pressure units.

Convert newtons to pounds-force and other force units.

Convert light years to kilometers, miles, astronomical units, and parsecs.

Convert rotational speed between RPM, rad/s, deg/s, and Hz.

Convert Mach number to km/h, mph, m/s, and knots.

Convert between stones, pounds, kilograms, and ounces.

Convert between square yards, square feet, square meters, and acres.

Convert energy between electron volts (eV), joules, and other units.

Convert between nautical miles, kilometers, miles, and meters.

Convert pressure between millibars, atmospheres, psi, pascals, and more.

Convert pressure between inches of mercury (inHg), psi, millibars, and more.

Convert power between megawatts, kilowatts, watts, and horsepower.

Convert data rates between bits, kilobits, megabits, and gigabits per second.

Convert power levels between decibels (dBm), watts, milliwatts, and more.

Convert lumens to watts for different types of light bulbs.

Convert astronomical distances between parsecs, light years, AU, and kilometers.

Calculate electrical current (amps) from power (watts) and voltage.

Calculate current (amps) from voltage and resistance using Ohm's Law.

Convert between millimeters, centimeters, meters, and inches.

Convert fuel efficiency between L/100km, MPG (US), MPG (UK), and km/L.

Convert torque between newton-meters, foot-pounds, and other units.

Convert density between kg/m³, g/cm³, lb/ft³, and other units.

Convert fluid flow rates between liters per minute, gallons per minute, and more.

Convert temperature differences (delta T) between Celsius, Fahrenheit, and Kelvin.

Convert between RPM (revolutions per minute) and Hz (hertz/frequency).

Convert between wavelength, frequency, and wave speed.

Convert volume between cubic inches, cubic centimeters, liters, and other units.

Convert area between acres, square feet, square meters, and hectares.

Convert between furlongs, meters, miles, and other length units.

Convert between milligrams, micrograms, grams, and nanograms.

Convert between barrels (oil, beer), gallons, liters, and cubic meters.

Convert distances between miles, kilometers, meters, feet, and more.

Convert lumens to lux based on area covered.

Convert between newtons (N) and pound-force (lbf).

Convert between energy units: joules, calories, BTU, kWh, and more.

Calculate your Basal Metabolic Rate using the Mifflin-St Jeor equation.

Calculate your Total Daily Energy Expenditure based on BMR and activity level.

Calculate your ideal body weight range based on height and gender.

Estimate your body fat percentage using measurements. No equipment needed.

Calculate your lean body mass from weight and body fat percentage.

Calculate the calorie deficit needed to reach your weight loss goal.

Calculate your daily protein needs based on weight and fitness goals.

Calculate your recommended daily water intake based on weight and activity.

Calculate your estimated maximum heart rate by age.

Calculate your target heart rate range for aerobic exercise and fat burning.

Convert your step count to miles or kilometers based on your stride length.

Convert miles or kilometers to steps based on your stride length.

Calculate your waist-to-hip ratio and health risk category.

Estimate your 1 rep max for any lift from a submaximal set.

Find your ideal daily calorie intake for your weight goals.

Calculate your running pace, speed, and predicted finish time for any distance.

Calculate calories burned walking based on weight, speed, and duration.

Calculate calories burned running based on weight, speed, and distance.

Calculate the best sleep and wake times based on sleep cycles.

Estimate your blood alcohol content (BAC) based on drinks, weight, and time.

Calculate your ideal macros (protein, carbs, fat) based on calories and goals.

Calculate body surface area using the DuBois, Mosteller, or Haycock formula.

Calculate your Ponderal Index (corpulence index) from height and weight.

Calculate daily calorie needs for weight loss, maintenance, or muscle gain.

Calculate your 5 heart rate training zones based on your maximum heart rate.

Calculate calories burned from daily step count based on weight and stride.

Calculate running pace, speed, and time for any distance.

Convert walking or running steps to miles and kilometers.

Calculate % Daily Value for nutrition label nutrients.

Calculate your waist-to-hip ratio and assess cardiovascular health risk.

Estimate blood alcohol content (BAC) based on drinks consumed, weight, and time.

Calculate ideal body weight using Hamwi, Devine, and Robinson formulas.

Estimate your ovulation date and fertile window based on your cycle length.

Calculate maximum heart rate and training zones by age.

Calculate calories burned while cycling based on speed, weight, and duration.

Assess health risk based on waist circumference measurement.

Estimate your VO2 max (maximal oxygen uptake) from a fitness test.

Calculate recommended daily protein intake based on weight and activity level.

Convert your dog's age to human years based on breed size.

Calculate daily macronutrient targets for your calorie and fitness goals.

Calculate swimming pace, total time, and distance for any pool workout.

Calculate cycling speed, distance, or time for any bike ride.

Calculate how much food to feed your dog based on weight, age, and activity level.

Interpret blood pressure readings and find your blood pressure category.

Discover your skin type with a quick quiz to find the best skincare routine.

Calculate race pace, finish time, or distance for any running event.

Find your healthy BMI range adjusted for age, gender, and body frame.

Calculate your one rep max (1RM) for any exercise using weight and reps performed.

Calculate your optimal keto macros: fat, protein, and carbs for ketogenic diet.

Calculate calories burned walking based on weight, distance, speed, and terrain.

Calculate recommended pregnancy weight gain based on pre-pregnancy BMI and trimester.

Calculate your correct bra size from bust and underbust measurements.

Calculate ideal bedtime and wake time based on 90-minute sleep cycles.

Convert fractions to decimals and decimals to fractions instantly.

Simplify ratios and solve proportion problems instantly.

Convert numbers to and from scientific notation instantly.

Convert numbers between binary, octal, decimal, and hexadecimal.

Check if any number is prime and find its prime factors.

Calculate the factorial of any non-negative integer.

Calculate the GCD and LCM of two or more numbers instantly.

Calculate the number of combinations (n choose r) for any n and r.

Calculate the number of permutations (ordered arrangements) for P(n,r).

Calculate probability for single events, AND events, and OR events.

Solve any quadratic equation ax² + bx + c = 0 with step-by-step solution.

Calculate the hypotenuse or any side of a right triangle using a² + b² = c².

Calculate the area of a triangle using base/height, sides (Heron's), or coordinates.

Calculate the area, circumference, and diameter of a circle from radius.

Calculate the area, perimeter, and diagonal of any rectangle.

Calculate mean, median, mode, and range of any list of numbers.

Calculate population and sample standard deviation from a list of numbers.

Calculate log base 10, natural log (ln), and logarithm of any base.

Calculate any base raised to any power (exponent).

Calculate the square root, cube root, or any nth root of a number.

Calculate speed, distance, or time using the relationship s = d/t.

Calculate voltage, current, resistance, or power using Ohm's Law.

Calculate the percentage difference between two numbers.

Solve quadratic equations using the quadratic formula.

Generate the Fibonacci sequence up to any term.

Calculate the percentage change between two values.

Calculate the area, perimeter, and angles of a triangle.

Calculate mean, median, mode, range, and standard deviation from a list of numbers.

Calculate the z-score (standard score) for a data point.

Convert between Roman numerals and Arabic (standard) numbers.

Round numbers to a specified number of significant figures.

Calculate logarithms in any base including natural log and log base 10.

Calculate percentage increase, decrease, or change between two values.

Calculate the Least Common Multiple (LCM) of two or more numbers.

Calculate specific gravity and relative density of liquids and solids.

Add, subtract, multiply, and divide fractions with simplified results.

Find the prime factorization of any positive integer.

Calculate kinetic energy from mass and velocity.

Generate the Fibonacci sequence up to any number of terms.

Find the prime factorization of any number with step-by-step working.

Calculate circle area, circumference, diameter, and radius from any known value.

Convert watts to amps and vice versa for AC and DC circuits.

Simplify fractions to lowest terms and add, subtract, multiply, or divide fractions.

Calculate average speed, distance, or time from any two known values.

Convert wind speed between mph, km/h, m/s, knots, and Beaufort scale.

Calculate acceleration, velocity, and distance using kinematic physics equations.

Calculate the number of days, weeks, months, or years between any two dates.

Count the exact number of days until any future date or event.

Convert Unix timestamps to readable dates and vice versa.

Convert time between major world time zones instantly.

Count the number of business days (working days) between two dates.

Add or subtract hours, minutes, and seconds to calculate time durations.

Add or subtract hours, minutes, and seconds from any time.

Convert time between different world time zones.

Find your half birthday date — exactly 6 months after your birth date.

Create a customizable weekly schedule with events and time blocks.

Calculate birth year from current age or find age from any birth year.

Count how often each word appears in any text and see the top results.

Check the reading level and readability score of any text.

Reverse text character by character, word by word, or line by line.

Count the number of sentences in any text instantly.

Calculate the reading level of any text using the Flesch-Kincaid formula.

Count words, characters, sentences, and paragraphs in an essay or document.

Detect passive voice sentences in your text to improve writing clarity.

Calculate the Flesch reading ease score of any text.

Estimate reading time for any text based on average reading speed.

Calculate your reading speed and time to read any book or document.

Generate a structured essay outline for any topic with introduction, body, and conclusion.

Test your typing speed and accuracy with a real-time WPM calculator.

Convert typed text into a realistic handwritten style for notes and cards.

Convert hex color codes to RGB, RGBA, and HSL color values.

Convert RGB color values to a hex color code instantly.

Convert HSL color values to RGB and hex color codes.

Check text/background color contrast ratios against WCAG accessibility standards.

Generate complementary, analogous, and triadic color palettes from any base color.

Convert colors between HEX, RGB, HSL, and CMYK formats.

Scale recipe ingredients up or down for any number of servings.

Convert between cooking measurements: cups, tablespoons, teaspoons, and milliliters.

Calculate baking ratios for bread, cakes, and cookies using baker's percentages.

Calculate gravitational force between two masses using Newton's law.

Calculate how long it takes light to travel a given distance.

Calculate pH, pOH, hydrogen ion concentration, and hydroxide concentration.

Calculate molarity, moles, or volume of a chemical solution.

Calculate your personal carbon footprint from home energy, transport, and diet.

Calculate the wind chill factor and apparent temperature in cold conditions.

Calculate how much you would weigh on other planets and moons.

Calculate dew point temperature from air temperature and relative humidity.

Calculate the molar mass (molecular weight) of any chemical formula.

Calculate voltage, current, resistance, and power using Ohm's Law.

Calculate projectile motion: range, maximum height, and time of flight.

Calculate your weight on any planet, moon, or celestial body in our solar system.

Calculate mean, median, mode, range, and variance for any dataset.

Calculate confidence intervals for population means at 90%, 95%, and 99% confidence levels.

Calculate the p-value for a one-sample z-test hypothesis test.

Calculate the sample size needed for a survey or study with a given margin of error.

Roll any standard polyhedral dice online — d4, d6, d8, d10, d12, d20, and custom dice.

Flip a virtual coin online and get heads or tails. Flip multiple coins at once.

Generate random colors with hex codes, RGB, and HSL values.

Generate random first names, last names, and full names.

Ask the Magic 8 Ball a yes/no question and get a mystical answer.

Randomly split a list of names into equal teams or groups.

Get random inspirational, motivational, and famous quotes instantly.

Generate random numbers with custom ranges, multiple rolls, and distribution types.

Generate complete HTML meta tags for SEO including title, description, and Open Graph.

Check the keyword density of any text for SEO optimization.

Check if your meta description is the optimal length for Google search results.

Convert article titles to clean, SEO-friendly URL slugs.

Generate a robots.txt file to control search engine crawler access.

Generate relevant hashtags for any topic or keyword for social media.

Estimate flight time between cities based on distance and speed.

Calculate total travel costs including flights, hotels, food, and activities.

Estimate jet lag severity and recovery time based on time zones crossed.

Generate a customized packing list for any type of trip or destination.

Convert oven temperatures between Fahrenheit, Celsius, and Gas Mark.

Convert cups to grams for common baking ingredients.

Calculate cooking times for meat, poultry, and baked goods by weight.

Find egg substitutes for baking recipes for vegan and allergy needs.

Convert between all cooking measurements: cups, oz, ml, grams, tbsp.

Scale any recipe up or down to any number of servings.

Calculate smoking time for any cut of meat based on weight and smoker temperature.

Get exact cooking times for soft, medium, and hard boiled eggs at any altitude.

Calculate perfect coffee-to-water ratio for any brewing method.