Convert acre to square foot

1 ac = 43,560 ft²

1 ac = 43,560 ft²
1 ac in every area unit
microbarn4.0469e+37 μb
millibarn4.0469e+34 mb
barn4.0469e+31 b
square nanometer4.0469e+21 nm²
square micrometer4.0469e+15 μm²
circular mil7,986,600,000,000 cmil
thousand circular mils7,986,600,000 kcmil
square millimeter4,046,900,000 mm²
square centimeter40,469,000 cm²
square inch6,272,600 in²
square decimeter404,690 dm²
square foot43,560 ft²
square yard4,840 yd²
square meter4,046.9 m²
tsubo1,224.2 tsubo
square rod160 rd²
are40.469 a
square chain10 ch²
dunam4.0469 dunam
rood4 rood
acre1 ac
hectare0.40469 ha
square kilometer0.0040469 km²
square mile0.0015625 mi²
How the conversion works

Multiply by 43,560 to go from acre to square foot, or divide by it to go back. Every conversion on this site routes through the SI value (m²) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.

Going the other way? square foot to acre — 1 ft² = 0.00002295684114 ac.

acre to square foot — common values
1 ac43,560 ft²
2 ac87,120 ft²
3 ac130,680 ft²
5 ac217,800 ft²
10 ac435,600 ft²
15 ac653,400 ft²
20 ac871,200 ft²
25 ac1,089,000 ft²
50 ac2,178,000 ft²
75 ac3,267,000 ft²
100 ac4,356,000 ft²
250 ac10,890,000 ft²
500 ac21,780,000 ft²
1000 ac43,560,000 ft²