Spike's Calculators


Rainfall per Unit Area, Inch per Acre

Rainfall amounts are usually measured in millimetres and inches. This calculator will calculate the amount of water from a rainfall amount measured in inches per acre.

An area of an acre has a square footage of 43560 sq ft. If that area gets a rainfall of one inch that would accumulate to 3630 cubic feet (ft³) of rainwater falling on this acre.

Includes conversions to various other measurements.

Rainfall/Inches per Acre

Inch per Acre in/ac
Decimal Rounding #


Cubic Inches in³
Cubic Feet ft³
Cubic Metres
Litres L
US Gallons US gal
Imperial Gallons Imp gal
Short Tons short ton (US)
Long Tons long ton (Imperial)
Metric Tons t


  1. rainfall amounts measured in inches per acre


  1. cubic inches of water
  2. cubic feet of water
  3. cubic metres of water
  4. litres of water
  5. US gallons of water
  6. Imperial gallons of water
  7. weight in short tons
  8. weight in long tons
  9. weight in metric tons
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