ac-ft

Units & Measurements abbreviation · US Customary and Imperial Unit

ac-ft
Stands forAcre-foot
CategoriesUnits & Measurements

ac-ft stands for Acre-foot, a US customary and imperial unit abbreviation.

Water volume that would cover one acre to a depth of one foot: 43,560 cubic feet, about 325,851 US gallons or 1,233 cubic meters. Western US water rights, reservoir storage and irrigation allocations are measured in acre-feet.

Example: The district's allocation this year is 2.1 ac-ft per irrigated acre.

Usage notes

Also written AF or acre-ft; large reservoirs use MAF, million acre-feet, and Lake Mead holds about 26 MAF when full. One acre-foot is often said to supply one to two average American households for a year. The unit lets farmers think in terms of inches of water applied to fields.

More US customary and imperial unit abbreviations

  • ac – Acre
  • bbl – Barrel (oil)
  • bd ft – Board foot
  • bu – Bushel
  • CCF – Hundred cubic feet
  • ch – Chain
  • cu ft – Cubic foot
  • cu in – Cubic inch
  • cu yd – Cubic yard
  • cwt – Hundredweight
  • dr – Dram
  • dwt – Pennyweight

See all 43 US customary and imperial unit abbreviations →

Edited by the AbbreviationList.com team. Spotted an error or a missing meaning? Contact us.