Rain Gutter Volume Calculator
Estimate water capacity of a gutter section.
CalcSimpler Examples
- 10 ft × 5 in × 4 in ⇒ 10.39 gallons
- 20 ft × 6 in × 4 in ⇒ 24.94 gallons
FAQ
Why divide by 231?
There are 231 cubic inches in a gallon.
Does gutter slope matter?
This calculation assumes no slope.
Can I use metric units?
Convert measurements to inches and feet before using the formula.
Does debris reduce capacity?
Yes, debris or screens can reduce actual volume.
Additional Information
No additional information available.
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