1 acre = 43,560 ft² = 4,046.8564224 m² (exact) 1 ft² = 144 in² = 0.09290304 m² (exact)
Result in Square feet (ft²)
43,560
Reverse factor
1 ft² = 0.00002295684114 ac
Common area conversions
1 ft²
0.09290304 m²
1 m²
10.76391042 ft²
1 in²
6.4516 cm²
1 yd²
9 ft²
1 ac
0.4046856422 ha
1 ha
2.471053815 ac
1 ac
43,560 ft²
1 mi²
640 ac
1 km²
100 ha
Acres to square feet conversion table
Acres to square feet
Acres (ac)
Square feet (ft²)
0.1 ac
4,356 ft²
0.25 ac
10,890 ft²
0.5 ac
21,780 ft²
1 ac
43,560 ft²
2 ac
87,120 ft²
5 ac
217,800 ft²
10 ac
435,600 ft²
The formula
ft² = ac × 43,560
1 acre = 43,560 ft² = 4,046.8564224 m² (exact). 1 ft² = 144 in² = 0.09290304 m² (exact). These are exact definitions, so the only rounding is in the displayed result (10 significant digits).
When you need it
Acres to square feet helps compare lot sizes: a typical suburban US lot is a quarter acre or less. An acre is exactly 43,560 square feet — for example a 66 ft × 660 ft strip (one chain by one furlong).