Acres to Square Feet Converter

Convert acres to square feet as you type. Type in either box, or switch to any other area unit.

LiveAreaft² = ac × 43,560URL: /acres-to-square-feet

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About acres and square feet

Area units are used for land, real estate, flooring and farming. Acres and square feet are common in the US; hectares and square metres elsewhere.

This converter changes acres (ac) into square feet (ft²) instantly. You can also type in the second box to convert backwards, or pick any other area unit from the menus.

Formula

ft² = ac × 43,560 1 ac = 43,560 ft² 1 ft² = 0.000022957 ac

Both units are defined in square metres: 1 acre = 4,046.8564224 square metre, and 1 square foot = 0.09290304 square metre. Dividing one by the other gives the factor above.

Worked example

To convert 12 ac: 12 × 43,560 = 522,720 ft².

Notes and assumptions

Results use exact defined factors and are rounded only for display (up to 6 significant digits, or the decimals you choose).

Popular searches

Number-specific searches can each have their own page that opens this converter pre-filled.

square feet in an acre1 acre to sq ft

Acres to square feet conversion table

acft²
1 ac43,560 ft²
2 ac87,120 ft²
3 ac130,680 ft²
4 ac174,240 ft²
5 ac217,800 ft²
6 ac261,360 ft²
7 ac304,920 ft²
8 ac348,480 ft²
9 ac392,040 ft²
10 ac435,600 ft²
12 ac522,720 ft²
15 ac653,400 ft²
20 ac871,200 ft²
acft²
25 ac1,089,000 ft²
30 ac1,306,800 ft²
40 ac1,742,400 ft²
50 ac2,178,000 ft²
60 ac2,613,600 ft²
70 ac3,049,200 ft²
75 ac3,267,000 ft²
80 ac3,484,800 ft²
90 ac3,920,400 ft²
100 ac4,356,000 ft²
250 ac10,890,000 ft²
500 ac21,780,000 ft²
1,000 ac43,560,000 ft²

How to convert by hand

  1. Take the value in acres.
  2. Multiply it by 43,560.
  3. Round only at the end.

Common mistakes

  • Rounding the conversion factor too early.
  • Mixing up which unit you are converting from.

Sources

Frequently asked questions

How many square feet are in one acre?

1 ac = 43,560 ft².

How do I convert acres to square feet?

Multiply by 43,560. Example: 10 ac = 435,600 ft².

How do I convert square feet back to acres?

Divide by 43,560. Press the swap button in the converter.

About this tool

Written by
[Author: to be assigned]
Reviewed by
Formula tests passed · human review pending
Last updated
31 Oct 2026

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