Popup calculator Copy a link to this page Print this page Email a link to this page Scroll up to form What does this mean? Remove this row Open/Close content Close content Return to content Copy to clipboard

Square Feet and Acres

Convert square feet to acres and acres to square feet using this calculator tool.

Disclaimer: Whilst every effort has been made in building our calculator tools, we are not to be held liable for any damages or monetary losses arising out of or in connection with their use. Full disclaimer.

On this page:

How many square feet are in an acre?

There are 43,560 square feet in an acre. The 43,560 sq. ft measurement can be made up of any width and length so long as the total area is 43,560 square feet.

As an example, your land could be 180 feet wide by 242 feet long. Or, it could be 363 feet wide by 120 feet long. Both of these result in an area of land measuring 43,560 square feet, which equals one acre.

How big is 1/2 an acre in sq. ft?

Half an acre is equal to 21,780 square feet because one acre is equal to 43,560 square feet.

How to convert acres to square feet

To convert acres to square feet, simply multiply your acre figure by 43,560.


Let's say you have an area of land measuring 3 acres. To convert this to square feet, multiply 3 by 43,560.

3 × 43560 = 130,680 square feet.

If you want this figure in square meters, we've got you covered with this square meters converter.

How to convert square feet to acres

To convert an area of square feet to acres, divide your square feet figure by 43,560.


If you have an area of land measuring 175,000 square feet you can convert this to acres by dividing it by 43,560.

175000 ÷ 43560 = 4.02 acres.

Acres to square feet chart

Acres to square feet Acres to square feet
1 acre = 43,560 ft² 11 acres = 479,160 ft²
2 acres = 87,120 ft² 12 acres = 522,720 ft²
3 acres = 130,680 ft² 13 acres = 566,280 ft²
4 acres = 174,240 ft² 14 acres = 609,840 ft²
5 acres = 217,800 ft² 15 acres = 653,400 ft²
6 acres = 261,360 ft² 16 acres = 696,960 ft²
7 acres = 304,920 ft² 17 acres = 740,520 ft²
8 acres = 348,480 ft² 18 acres = 784,080 ft²
9 acres = 392,040 ft² 19 acres = 827,640 ft²
10 acres = 435,600 ft² 20 acres = 871,200 ft²

Whilst this converter is useful for swapping between land measurement units of square feet and acres, you may wish to calculate an area of square footage from length and width measurements in feet, inches or meters. For this, we have a handy square feet calculator to help you.

What are square feet and acres?

The square foot and acre are both units of area commonly used for land measurement. The acre has origins in medieval times and was originally defined as the area that a single ox could plough in a single day. The square foot is commonly used for measuring floor space for real estate or measuring the overall size of a property's exterior. You can learn more about the acre in our featured article here.

Calculator by Alastair Hazell


  1. United States Census Bureau. Conversion Tables for Measures and Weights.

If you have any problems using our calculator tool, please contact us.