Water Volume Calculator
Convert irrigation depth (inches) and area (acres) into total gallons of water applied.
Inputs
How It Works
1 acre-inch = 27,154 gallons
Total Gallons = Acres × Inches × 27,154
This converts irrigation depth into water volume.
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FAQ
What is an acre-inch?
An acre-inch is the volume of water required to cover one acre with one inch of water, equal to 27,154 gallons.
Why convert inches to gallons?
Pump systems measure water in gallons, while crop demand is measured in inches.
How much water is 1 inch on 100 acres?
Approximately 2.7 million gallons of water.
Understanding Irrigation Water Volume Calculations
Water volume calculations are essential for irrigation system planning, pump sizing, and water management. While crop water needs are typically expressed in inches of depth, irrigation systems deliver water in gallons. Converting between these units ensures accurate irrigation scheduling and system efficiency.
One acre-inch equals approximately 27,154 gallons of water. By multiplying total acres irrigated by irrigation depth in inches and the acre-inch conversion factor, producers can determine total gallons applied. This is especially useful for estimating pumping costs, water allocation, and seasonal irrigation requirements.
Using a water volume calculator improves decision-making by connecting field-level water needs with pump capacity and energy usage. Accurate water management supports higher irrigation efficiency, lower operating costs, and sustainable crop production.