Convert Acre-Inch to US Gallon
Convert acre-inches to us gallons instantly. 1 acre-inch = 27154.2857142857 us gallon — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Gallon to Acre-Inch converter for the reverse conversion.
Units explained
Acre-Inch
An acre-inch is one acre covered to a depth of one inch (102.79 m³), one twelfth of an acre-foot.
Combines the acre and the inch for irrigation accounting.
Used in agricultural irrigation scheduling.
US agriculture.
US Gallon
The US liquid gallon is defined as exactly 231 cubic inches (3.785411784 liters).
Based on the English wine gallon of 231 cubic inches, retained by the US after 1824.
The primary US unit for fuel, milk and large beverage containers.
English wine gallon; US since 1824.
Acre-Inch to US Gallon conversion formula
The relationship between acre-inches and us gallons:
To convert acre-inches to us gallons, multiply the value in acre-inches by 27154.2857142857. To reverse, multiply us gallons by 3.68266e-5.
How to use this converter
Type a value into the calculator. The result in us gallons updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the US Gallon to Acre-Inch converter for the reverse direction.
Step-by-step: convert acre-inches to us gallons
- Write down the value in acre-inches (ac·in).
- Multiply that value by the factor 27154.2857142857.
- The product is the equivalent value in us gallons (gal).
- To reverse, multiply the us gallon value by 3.68266e-5.
Worked examples
Example 1 — Convert 1 ac·in to gal:
1 × 27154.2857142857 = 27154.2857142857 gal
Example 2 — Convert 100 ac·in to gal:
100 × 27154.2857142857 = 2715428.5714285714 gal
Acre-Inch to US Gallon conversion table
Standard reference values for converting acre-inches to us gallons:
| Acre-Inch [ac·in] | US Gallon [gal] |
|---|---|
| 0.01 | 271.5428571429 |
| 0.1 | 2715.4285714286 |
| 1 | 27154.2857142857 |
| 2 | 54308.5714285714 |
| 3 | 81462.8571428571 |
| 4 | 108617.1428571429 |
| 5 | 135771.4285714286 |
| 10 | 271542.8571428572 |
| 20 | 543085.7142857143 |
| 30 | 814628.5714285714 |
| 40 | 1086171.4285714286 |
| 50 | 1357714.2857142857 |
| 100 | 2715428.5714285714 |
| 500 | 1.357714e+7 |
| 1000 | 2.715429e+7 |
Frequently asked questions
How many us gallons is 1 acre-inch?
How do I convert acre-inches to us gallons?
How do I convert us gallons back to acre-inches?
How many us gallons is 100 acre-inches?
Popular volume unit conversions
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Metric / SI (3 units)
US Customary (Liquid) (1 units)
Imperial (UK) (1 units)
Cubic (length-derived) (1 units)
Sources & references
Conversion factor (1 ac·in = 27154.2857142857 gal) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.