Downspout & Gutter Sizing Calculator for Roof Drainage
Enter roof area and rainfall intensity to calculate downspout capacity and whether your current downspouts can handle peak rainfall.
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How to Use This Downspout Sizing Calculator
- Enter roof areaSquare footage.
- Set rainfall intensityInches per hour.
- View downspout countAnd sizes.
Common Use Cases
- Roofing
- Drainage
- Home improvement
- DIY
Frequently Asked Questions
This tool is for informational purposes only. Read our disclaimer.
Need help with this tool? help@bodhins.com
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