Convert Square Feet to Acres

Enter your square foot value in the form below to get the value calculated in acres.

Results in Acres:

1 sq ft = 2.2957E-5 ac

How to Convert Square Feet to Acres Using an Easy Conversion Formula

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

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Convert square feet to acres with this simple formula:

acres = square feet × 2.2957E-5

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

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

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 Hectares Area: 1sq ft is equal to 9.2903E-6 hectares
Convert to Ares Area: 1sq ft is equal to 0.000929 ares
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