Did you mean to convert |
gallon [US, liquid] gallon [US, dry] |
to |
acre foot acre foot [US survey] |

How many gallons in 1 acre foot?
The answer is 325851.431889.

We assume you are converting between **gallon [US, liquid]** and **acre foot**.

You can view more details on each measurement unit:

gallons or
acre foot

The SI derived unit for **volume** is the cubic meter.

1 cubic meter is equal to 264.172051242 gallons, or 0.000810713182109 acre foot.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between gallons and acre feet.

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An acre foot is a unit of volume commonly used in the United States in reference to large-scale water resources, such as reservoirs, aqueducts, canals, and river flows. It defined by the volume of water necessary to cover one acre of surface area to a depth of one foot. It is equal to exactly 43,560 cubic feet, or to 325,851 U.S. gallons, or exactly 1233.48184 cubic meters.

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