Convert Tuns to Acre-Feet
Convert Tuns (tun) to Acre-Feet (ac ft) instantly and accurately.
Conversion Formula
ac ft = tun × 0.0007733585859
About Tuns
A tun = 4 hogsheads = 252 US gallons ≈ 953.9 L - the largest traditional wine cask and origin of the English word 'ton': a full tun of wine weighed ~1 long ton. English shipping law rated cargo capacity in 'tuns burden'. Scottish distilleries use 'tun rooms' for large vatting/blending vats. 1 tun = 252 US gal = 2 pipes = 4 hogsheads ≈ 953.9 L.
About Acre-Feet
An acre-foot (ac ft) = the volume covering 1 acre to 1 ft depth ≈ 1,233.5 m³ (325,851 US gal). Almost exclusively used in US water resource management. California's Lake Shasta: 4.55 million ac ft at capacity. A typical US household uses ~0.5-1 ac ft/year. Water rights on the Colorado and Sacramento rivers are traded in acre-feet. 1 ac ft ≈ 1,233.5 m³.
Quick Reference Table
| Tuns (tun) | Acre-Feet (ac ft) |
|---|---|
| 1 tun | 0.000773359 ac ft |
| 2 tun | 0.00154672 ac ft |
| 5 tun | 0.00386679 ac ft |
| 10 tun | 0.00773359 ac ft |
| 25 tun | 0.019334 ac ft |
| 50 tun | 0.0386679 ac ft |
| 100 tun | 0.0773359 ac ft |