Acres to Square Feet Chart
Every common acreage from 0.01 to 640 acres in square feet, square metres, hectares and the side of an equal square. Print it as a one-table reference sheet or download it to use in a spreadsheet.
Updated October 2026
acrestosquarefeet.com/common-conversions. 1 acre = 43,560 sq ft exactly.
| Acres | Square Feet |
|---|---|
| 0.01 | 436 |
| 0.02 | 871 |
| 0.025 | 1,089 |
| 0.03 | 1,307 |
| 0.04 | 1,742 |
| 0.05 | 2,178 |
| 0.06 | 2,614 |
| 0.07 | 3,049 |
| 0.08 | 3,485 |
| 0.1 | 4,356 |
| 1/8 | 5,445 |
| 0.15 | 6,534 |
| 0.2 | 8,712 |
| 0.25 | 10,890 |
| 0.27 | 11,761 |
| 0.3 | 13,068 |
| 1/3 | 14,520 |
| 0.4 | 17,424 |
| 0.5 | 21,780 |
| 0.6 | 26,136 |
| 2/3 | 29,040 |
| 0.75 | 32,670 |
| 0.9 | 39,204 |
| 1 | 43,560 |
| 1.25 | 54,450 |
| 1.5 | 65,340 |
| 2 | 87,120 |
| 2.5 | 108,900 |
| 3 | 130,680 |
| 4 | 174,240 |
| 5 | 217,800 |
| 7.5 | 326,700 |
| 10 | 435,600 |
| 15 | 653,400 |
| 20 | 871,200 |
| 25 | 1,089,000 |
| 40 | 1,742,400 |
| 50 | 2,178,000 |
| 75 | 3,267,000 |
| 100 | 4,356,000 |
| 160 | 6,969,600 |
| 320 | 13,939,200 |
| 640 | 27,878,400 |
All values use the international acre: 1 acre = 43,560 sq ft = 4,046.8564224 m² exactly. Square side is the length of each side if the area were a square. Fractions (1/8, 1/3, 2/3) are exact; 1/3 acre is 14,520 sq ft. For a lot's frontage and depth, use the lot size calculator.
Square Feet to Acres - Reverse Table
| Square Feet | Acres |
|---|---|
| 1,000 sq ft | 0.0230 |
| 2,500 sq ft | 0.0574 |
| 5,000 sq ft | 0.1148 |
| 7,500 sq ft | 0.1722 |
| 10,000 sq ft | 0.2296 |
| 10,890 sq ft | 0.2500 |
| 15,000 sq ft | 0.3444 |
| 20,000 sq ft | 0.4591 |
| 21,780 sq ft | 0.5000 |
| 43,560 sq ft | 1.0000 |
| 100,000 sq ft | 2.2957 |
| 200,000 sq ft | 4.5914 |
| 500,000 sq ft | 11.4784 |
| 1,000,000 sq ft | 22.9568 |