Cubic meters to Acre feet converter

To convert cubic meters to acre feet, enter the value in the first field. The result in acre feet is calculated automatically using the exact conversion factor.

1 m³ ≈ 0.00081071319379 acre-ft
1 acre-ft = 1233.48183754752 m³

Formula: acre-ft ≈ m³ × 0.00081071319379
m³ = acre-ft × 1233.48183754752

Definitions: 1 acre-ft = 43560 ft³

The cubic meter (m³) is the SI unit of volume: a cube one meter on each side, equal to 1000 liters. It is used for large quantities such as water consumption, concrete, gravel, soil, natural gas, and the space inside rooms and cargo containers.

The acre-foot (acre-ft) is the volume of water that covers one acre of land to a depth of one foot. It is the standard unit in United States water management for reservoir storage, irrigation allocations and water rights.

See the conversion table with commonly used values, handy for quick reference or study.