unit of land measurement in the British Imperial and United States Customary systems, equal to 43,560 square feet. One acre is equivalent to 0.4047 hectares (4,047 square metres).
Symbol: acre or ac
1 acre = 0.4047 hectare
Traditionally definition – the area of one chain by one furlong (66 by 660 feet).
The unit of land measurement use in Tanzanian agriculture.