At One Place

Square feet to acres

1 square foot in acres
1 ft² = 0.00002296 acre
acre = ft² × 0.000022956841

To convert square feet to acres, multiply by 0.000022956841. The table below gives the values people look up most often, and the converter works for any number.

Square feet to acres table

Common square foot values converted to acres.
Square feet Acres
1 ft² 0.00002296
2 ft² 0.00004591
3 ft² 0.00006887
4 ft² 0.00009183
5 ft² 0.0001148
10 ft² 0.0002296
15 ft² 0.0003444
20 ft² 0.0004591
25 ft² 0.0005739
30 ft² 0.0006887
40 ft² 0.0009183
50 ft² 0.0011478
75 ft² 0.0017218
100 ft² 0.0022957
250 ft² 0.0057392
500 ft² 0.011478
1,000 ft² 0.022957

How the conversion works

The relationship is acre = ft² × 0.000022956841. Both units measure area, so the conversion is a fixed factor that never changes.

Common questions

How many acres are in one square foot?
One square foot equals 0.00002296 acres. acre = ft² × 0.000022956841.
How do you convert square feet to acres?
Use acre = ft² × 0.000022956841. So 10 ft² is 0.0002296 acre.
How many square feet are in one acre?
One acre equals 43,560 square feet, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked