Calculators can be used to convert measurements from one unit to another

Convert Square Feet to Acres

Convert from square feet to acres with this simple formula:
acres = square feet × 2.2957E-5
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1 Square Foot = 2.2957E-5 Acres

Learn How to Convert Square Feet to Acres Using our Conversion Formula

Converting a square foot area measurement to an acre measurement involves multiplying your area by the conversion ratio to find the result. A square foot is equal to 2.2957E-5 acres, so to convert simply multiply by 2.2957E-5.

For example, 5sq ft = (5 × 2.2957E-5) = 0.000115ac.

Learn more on how to find the square footage of your space using our square footage calculator.

Square feet and acres are both units used to measure area. Learn more about area and find more area measurement conversion calculators. A square foot is an imperial measurement and can be abbreviated as sq ft, for example 1sq ft. An acre is an imperial measurement and can be abbreviated as ac, for example 1ac.

square feet and acres are units used to measure area
Convert Acres to Square Feet

More Area Conversions

Convert to Square Miles Area
1sq ft is equal to 3.587E-8 square miles
Convert to Square Yards Area
1sq ft is equal to 0.111111 square yards
Convert to Square Inches Area
1sq ft is equal to 144 square inches
Convert to Square Kilometers Area
1sq ft is equal to 9.2903E-8 square kilometers
Convert to Square Meters Area
1sq ft is equal to 0.092903 square meters
Convert to Square Centimeters Area
1sq ft is equal to 929.0304 square centimeters
Convert to Square Millimeters Area
1sq ft is equal to 92,903 square millimeters

Square Foot Measurements and Equivalent Acre Conversions

Common square foot values converted to the equivalent acre value
Square Feet Acres Square Feet Acres Square Feet Acres
1 0.000022957 21 0.000482 41 0.000941
2 0.000045914 22 0.000505 42 0.000964
3 0.000068871 23 0.000528 43 0.000987
4 0.000091828 24 0.000551 44 0.00101
5 0.000115 25 0.000574 45 0.001033
6 0.000138 26 0.000597 46 0.001056
7 0.000161 27 0.00062 47 0.001079
8 0.000184 28 0.000643 48 0.001102
9 0.000207 29 0.000666 49 0.001125
10 0.00023 30 0.000689 50 0.001148
11 0.000253 31 0.000712 51 0.001171
12 0.000275 32 0.000735 52 0.001194
13 0.000298 33 0.000758 53 0.001217
14 0.000321 34 0.000781 54 0.00124
15 0.000344 35 0.000803 55 0.001263
16 0.000367 36 0.000826 56 0.001286
17 0.00039 37 0.000849 57 0.001309
18 0.000413 38 0.000872 58 0.001332
19 0.000436 39 0.000895 59 0.001354
20 0.000459 40 0.000918 60 0.001377