Square Feet to Acres Converter
1 square foot = 0.00002295684114 acres. To convert sq ft to ac, multiply by 0.00002295684114, or divide by 43,560.
How to convert Square Feet to Acres
1 square foot equals 0.00002295684114 acres, so the conversion is a single multiplication.
ac = sq ft × 0.00002295684114
Example: 150 sq ft × 0.00002295684114 = 0.003444 ac.
About the square foot and the acre
Square Foot (sq ft)
A square foot is a square 1 foot on each side, 0.09290304 m². US home and office sizes are listed in square feet.
Acre (ac)
An acre is 43,560 square feet, about 4,047 m² or 0.405 hectares. It's the standard unit for land in the US.
1 square foot in every area unit
Related conversions
Calculators
Square Feet to Acres FAQ
How many acres are in a square foot?
1 square foot = 0.00002295684114 acres.
How many square feet are in a acre?
1 acre = 43,560 square feet.
How do I convert sq ft to ac?
Use ac = sq ft × 0.00002295684114. For example, 10 sq ft = 0.0002296 ac.
Can I print this Square Feet to Acres chart?
Yes. Use "Print / Save PDF" next to the converter for a one-page chart, or "Download CSV" to open it in Excel or Google Sheets.