Example 1
- Direction: acres to square feet
- 1 acre
43,560 sq ft
How many sq ft is 1 acre? 43,560.
Acres to Square Feet
The calculator converts acres to square feet. One acre is 43,560 sq ft. Two acres are 87,120 sq ft. Hectares are on a separate page.
The other page, square feet to acres, is on square feet to acres. Hectares: hectares and acres.
Result
Enter an area in acres or in square feet. The result will appear here.
How it works
The calculator multiplies acres by 43,560. 1 acre is 43,560 sq ft. 2 acres are 87,120 sq ft.
The other way, you divide square feet by 43,560. 43,560 sq ft is 1 acre.
This is the international acre, 43,560 square feet. A hectare is on the hectares and acres page.
Square metres without acres belong on the m² and ft² page.
You may enter zero; the result is then also zero. The calculator does not accept negative numbers.
A comma and a period give the same fraction.
Formula
sq ft = acres × 43,560; acres = sq ft / 43,560
1 acre is 43,560 square feet. That is the definition, not a rounding.
How to use
- Choose acres to square feet.
- Enter 1. The result is 43,560 sq ft.
- Enter 2. The result is 87,120 sq ft.
- The other way, enter 43560. The result is 1 acre.
1 acre is 43,560 sq ft
An acre is 43,560 square feet. 2 acres are 87,120 sq ft.
- acre
- 43,560 sq ft. This is not a hectare.
- sq ft
- Square foot. 2 acres = 87,120 sq ft.
- 43 560
- The acre constant. Not a rounding.
Examples
Example 2
- Direction: acres to square feet
- 2 acres
87,120 sq ft
How many sq ft are 2 acres? 87,120.
Example 3
- Direction: square feet to acres
- 43560 sq ft
1 acre
How many acres is 43,560 sq ft? 1 acre.
Related calculators
Frequently asked questions
How many sq ft is 1 acre?
43,560 square feet. That is the definition, not a rounding.
How many sq ft are 2 acres?
87,120 sq ft.
Is this a hectare?
No. A hectare is on the hectares and acres page.
How many acres is 43,560 sq ft?
1 acre. That is the other side of the same formula.
Can area be negative?
No. Zero is allowed; after conversion the result is still zero.
Where do I convert square metres?
On the m² and ft² page. That page has no acre field.
Does a comma work?
Yes. 1.5 acres are 65,340 sq ft.
Is 1 acre exactly 4,000 m²?
No. An acre is 43,560 sq ft. Hectares and acres belong on a separate page.
Does the result use a thousands separator?
Yes. English uses 87,120. Polish uses 87 120.
Where do I convert square feet to acres?
On the square feet to acres page. That page starts from sq ft.
Sources
1 acre is 43,560 square feet.
Page updated in 2026.