Square foot to Acre

1 ft² = 0.000022956841 ac

Value

From

Precision & format

Significant figures

Notation

1 ft² equals

0.00002295684114ac

All 15 units

Square meterm²
0.09290304
Square kilometerkm²
9.290304 × 10⁻⁸
Square centimetercm²
929.0304
Square millimetermm²
92,903.04
Hectareha
0.000009290304
Area
0.0009290304
Square milemi²
3.587006428 × 10⁻⁸
Square yardyd²
0.1111111111
Square footft²
1
Square inchin²
144
Acreac
0.00002295684114
Roodrood
¼ acre
0.00009182736455
Sectionsection
1 mi²
3.587006428 × 10⁻⁸
Townshiptwp
36 mi²
9.963906744 × 10⁻¹⁰
Barnb
nuclear cross-section
9.290304 × 10²⁶

Square foot to Acre table

Common Square foot values converted to Acre
Square foot (ft²)	Acre (ac)
1	0.000022956841
2	0.000045913682
5	0.00011478421
10	0.00022956841
20	0.00045913682
50	0.0011478421
100	0.0022956841
250	0.0057392103
500	0.011478421
1,000	0.022956841

How the conversion works

Multiply the square foot figure by 0.00002295684114 to get acre. Every factor on this site is anchored to the SI base unit for area, so the same number is used everywhere it appears.

Going the other way, 1 ac = 43,560 ft² — see acre to square foot.

See all 15 area units →