ToolNestSquare Feet to Acres Converter
Convert square feet to acres instantly with our free area converter. 1 square foot = 0.000023 ac — type any value below and the result updates live.
Square Feet → Acres⇄ Swap: Acres → Square Feet
—
✓ Free forever · ✓ No signup · ✓ Runs in your browser.
Square Feet to Acres Formula
Acres = Square Feet × 0.000023 (Square Feet = Acres × 43,560)
Area conversion for real estate, construction, and land — square inches, feet, yards, meters, kilometers, and miles, plus acres and hectares for larger parcels.
Square Feet to Acres Conversion Table
| Square Feet | Acres | |
|---|---|---|
| 1 ft² | = | 0.000023 ac |
| 2 ft² | = | 0.000046 ac |
| 5 ft² | = | 0.000115 ac |
| 10 ft² | = | 0.00023 ac |
| 25 ft² | = | 0.000574 ac |
| 50 ft² | = | 0.001148 ac |
| 100 ft² | = | 0.002296 ac |
About Square Feet and Acres
A square foot is the US standard for room sizes, apartment listings, and flooring — 144 square inches.
An acre is 43,560 square feet — about 75% of an American football field. The US unit for land parcels.
Frequently Asked Questions
How many acres are in one square foot?
One square foot equals 0.000023 acres. Multiply any square feet value by 0.000023 to convert it.
What is the formula for converting square feet to acres?
Acres = Square Feet × 0.000023. To reverse it: square feet = acres × 43,560.
How do I convert acres back to square feet?
Divide the acres value by 0.000023 (equivalently, multiply by 43,560). Or use our acres-to-square feet converter going the other way.
Which is bigger, a square foot or a acre?
A acre is bigger — it takes 43,560 square feet to make one acre.