Convert Acre-Inch to Cubic Foot
Convert acre-inches to cubic feet instantly. 1 acre-inch = 3630 cubic foot — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Cubic Foot 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.
Cubic Foot
A cubic foot is the volume of a cube one foot on a side (28.3168 L).
Derived by cubing the international foot (0.3048 m).
Used for natural gas, refrigerators, shipping and HVAC.
1959 yard agreement.
Acre-Inch to Cubic Foot conversion formula
The relationship between acre-inches and cubic feet:
To convert acre-inches to cubic feet, multiply the value in acre-inches by 3630. To reverse, multiply cubic feet by 0.0002754821.
How to use this converter
Type a value into the calculator. The result in cubic feet updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Cubic Foot to Acre-Inch converter for the reverse direction.
Step-by-step: convert acre-inches to cubic feet
- Write down the value in acre-inches (ac·in).
- Multiply that value by the factor 3630.
- The product is the equivalent value in cubic feet (ft³).
- To reverse, multiply the cubic foot value by 0.0002754821.
Worked examples
Example 1 — Convert 1 ac·in to ft³:
1 × 3630 = 3630 ft³
Example 2 — Convert 100 ac·in to ft³:
100 × 3630 = 363000 ft³
Acre-Inch to Cubic Foot conversion table
Standard reference values for converting acre-inches to cubic feet:
| Acre-Inch [ac·in] | Cubic Foot [ft³] |
|---|---|
| 0.01 | 36.3 |
| 0.1 | 363 |
| 1 | 3630 |
| 2 | 7260 |
| 3 | 10890 |
| 4 | 14520 |
| 5 | 18150 |
| 10 | 36300 |
| 20 | 72600 |
| 30 | 108900 |
| 40 | 145200 |
| 50 | 181500 |
| 100 | 363000 |
| 500 | 1815000 |
| 1000 | 3630000 |
Frequently asked questions
How many cubic feet is 1 acre-inch?
How do I convert acre-inches to cubic feet?
How do I convert cubic feet back to acre-inches?
How many cubic feet is 100 acre-inches?
Popular volume unit conversions
Convert Acre-Inch to other volume units
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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 = 3630 ft³) 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 Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.