Convert Square Foot (ft²) to Acre (ac)
To convert Square Foot to Acre, multiply the value by 0.000023. For example, 1 Square Foot = 0.000023 ac and 10 Square Foot = 0.00023 ac. Both Square Foot and Acre are units of Area. Enter any value above for an instant, accurate result.
One Square Foot equals 0.000023 ac.
Use the formula: ac = ft² × 0.000023.