acre-foot to imperial gallon converter

Convert acre-foot to imperial gallon in the Volume family. See a sample calculation, unit definitions, and the interactive converter.

Example conversion: 1 acre-ft

271.3280726 imperial gallon

This example is calculated from the same unit registry used by the interactive converter.

Formula and unit definitions

Convert metric, US customary, imperial, cooking and specialty volume units.

target value = source value × source factor ÷ target factor

Source unit: acre-foot (acre-ft), factor 1233.481838, offset 0.

Target unit: imperial gallon (gal-uk), factor 4.54609, offset 0.

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Important note

The calculation is performed locally from the listed unit definitions. Display results are rounded for readability; high-precision and regulated work should use the governing standard and appropriate significant figures.

For high-precision, regulated or safety-critical use, check the underlying standard and its required precision. Historical and approximate units are identified in their names or family descriptions.

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