Convert acre to square foot

1 ac = 43,560 ft²

1 ac = 43,600 ft²

1 ac in every area unit

square millimeter	4,050,000,000 mm²
square centimeter	40,500,000 cm²
square meter	4,050 m²
hectare	0.405 ha
square kilometer	0.00405 km²
square inch	6,270,000 in²
square foot	43,600 ft²
square yard	4,840 yd²
acre	1 ac
square mile	0.00156 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 ac	43,560 ft²
2 ac	87,120 ft²
3 ac	130,680 ft²
5 ac	217,800 ft²
10 ac	435,600 ft²
15 ac	653,400 ft²
20 ac	871,200 ft²
25 ac	1,089,000 ft²
50 ac	2,178,000 ft²
75 ac	3,267,000 ft²
100 ac	4,356,000 ft²
250 ac	10,890,000 ft²
500 ac	21,780,000 ft²
1000 ac	43,560,000 ft²

Other area conversions

mm² → ft² cm² → ft² m² → ft² km² → ft² in² → ft² yd² → ft² ac → mm² ac → cm²

All area units →

Solvers that use area