Gallons per Acre
Convert water depth in inches to gallons per acre.
About Gallons per Acre
An acre covered one inch deep holds about 27,154 gallons, so multiplying depth by that constant converts inches to volume. Fields are measured in inches of water but water is billed and moved in gallons, so the conversion bridges irrigation planning and metering.
Formula
Gallons per Acre
Gallons per acre = inches x 27154 (one acre-inch of water)
- acre-inch
- An inch of water over one acre
Worked example
With the default values below, Gallons per Acre returns Gallons per Acre of 27,154.0. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Water depthminimum 0 in
- 1 in
Results
- Gallons per Acre
- 27,154.0 gal
- Gallons per Sq Ft
- 0.623 gal
- Liters per Acre
- 102,789.0 L
Step by step
- 1Values used
- 2Gallons per Acre
- 3Gallons per Acre= 27,154.0 gal
- 4Gallons per Sq Ft= 0.623 gal
- 5Liters per Acre= 102,789.0 L
Assumptions and limits
- The result is derived only from the single input listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 3 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is Gallons per Acre calculated?
Gallons per acre = inches x 27154 (one acre-inch of water) An acre covered one inch deep holds about 27,154 gallons, so multiplying depth by that constant converts inches to volume.
Why does Gallons per Acre matter?
Fields are measured in inches of water but water is billed and moved in gallons, so the conversion bridges irrigation planning and metering.
What values do I need to enter?
This calculator takes 1 input: Water depth. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.