🔬 Free Math & Science Tools
Free math calculators and science tools for students, engineers, and curious minds
Fraction to Decimal Converter
Convert fractions to decimals and decimals to fractions instantly.
Ratio Calculator
Simplify ratios and solve proportion problems instantly.
Scientific Notation Converter
Convert numbers to and from scientific notation instantly.
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See dealsNumber Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
Prime Number Checker
Check if any number is prime and find its prime factors.
Factorial Calculator
Calculate the factorial of any non-negative integer.
GCD and LCM Calculator
Calculate the GCD and LCM of two or more numbers instantly.
Combinations Calculator
Calculate the number of combinations (n choose r) for any n and r.
Permutations Calculator
Calculate the number of permutations (ordered arrangements) for P(n,r).
Probability Calculator
Calculate probability for single events, AND events, and OR events.
Quadratic Equation Solver
Solve any quadratic equation ax² + bx + c = 0 with step-by-step solution.
Pythagorean Theorem Calculator
Calculate the hypotenuse or any side of a right triangle using a² + b² = c².
Triangle Area Calculator
Calculate the area of a triangle using base/height, sides (Heron's), or coordinates.
Circle Area Calculator
Calculate the area, circumference, and diameter of a circle from radius.
Rectangle Area Calculator
Calculate the area, perimeter, and diagonal of any rectangle.
Average Calculator
Calculate mean, median, mode, and range of any list of numbers.
Standard Deviation Calculator
Calculate population and sample standard deviation from a list of numbers.
Logarithm Calculator
Calculate log base 10, natural log (ln), and logarithm of any base.
Exponent Calculator
Calculate any base raised to any power (exponent).
Square Root Calculator
Calculate the square root, cube root, or any nth root of a number.
Speed Distance Time Calculator
Calculate speed, distance, or time using the relationship s = d/t.
Ohm's Law Calculator
Calculate voltage, current, resistance, or power using Ohm's Law.
Percentage Difference Calculator
Calculate the percentage difference between two numbers.
Quadratic Formula Calculator
Solve quadratic equations using the quadratic formula.
Fibonacci Calculator
Generate the Fibonacci sequence up to any term.
Percentage Change Calculator
Calculate the percentage change between two values.
Triangle Calculator
Calculate the area, perimeter, and angles of a triangle.
Mean Median Mode Calculator
Calculate mean, median, mode, range, and standard deviation from a list of numbers.
Z-Score Calculator
Calculate the z-score (standard score) for a data point.
Roman Numeral Converter
Convert between Roman numerals and Arabic (standard) numbers.
Significant Figures Calculator
Round numbers to a specified number of significant figures.
Logarithm Calculator
Calculate logarithms in any base including natural log and log base 10.
Percentage Increase Calculator
Calculate percentage increase, decrease, or change between two values.
LCM Calculator
Calculate the Least Common Multiple (LCM) of two or more numbers.
Specific Gravity Calculator
Calculate specific gravity and relative density of liquids and solids.
Fraction Calculator
Add, subtract, multiply, and divide fractions with simplified results.
Prime Factorization Calculator
Find the prime factorization of any positive integer.
Kinetic Energy Calculator
Calculate kinetic energy from mass and velocity.
Fibonacci Sequence Generator
Generate the Fibonacci sequence up to any number of terms.
Prime Factorization Calculator
Find the prime factorization of any number with step-by-step working.
Circle Calculator
Calculate circle area, circumference, diameter, and radius from any known value.
Watt to Amp Converter
Convert watts to amps and vice versa for AC and DC circuits.
Fraction Simplifier
Simplify fractions to lowest terms and add, subtract, multiply, or divide fractions.
Average Speed Calculator
Calculate average speed, distance, or time from any two known values.
Wind Speed Converter
Convert wind speed between mph, km/h, m/s, knots, and Beaufort scale.
Acceleration Calculator
Calculate acceleration, velocity, and distance using kinematic physics equations.
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About Our Free Math & Science Tools
Our free math & sciencetools are designed to help you solve everyday problems instantly and privately. Every tool runs entirely in your browser — your data is never uploaded to any server. Whether you're a student, professional, or just need a quick calculation, these free math & science tools are always available, no sign-up needed.
⚡ Instant & Free
All math & science tools run in your browser. No downloads, no installs, no waiting. Completely free forever.
🔒 100% Private
Your data never leaves your device. No account required, no tracking of your inputs.
📱 Works Everywhere
Fully optimized for mobile, tablet, and desktop. Use any math & science tool on any device.
🔍 46+ Tools
Browse 46 free math & science tools covering everything you need. More added regularly.
Frequently Asked Questions
Are these Math & Science tools really free?+
Yes — every math & science tool on bodhins.com is completely free. No sign-up, no subscription, no hidden fees. Just open the tool and use it.
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No account is required. All 46 math & science tools are available instantly in your browser.
Are the results from these Math & Science tools accurate?+
Yes. Our math & science tools use proven formulas and algorithms. Results update in real-time as you type.