Online calculator to convert acres to square feet (ac to ft2) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Area units.
Conversion Calculator
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Convert acres to ft2
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between acres and square feet.
What is an acre (ac)?
An acre is a unit of area in both US Customary Units as well as the Imperial System. The symbol for acre is ac. There are 0.00002296 acres in a square foot.
What is a square foot (ft2)?
A square foot is a unit of area in both US Customary Units as well as the Imperial System. The symbol for square foot is ft2 or sq ft. There are 43,560 square feet in an acre. A square foot is calculated as the area of a square that has 1 foot on each side.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from acres to ft2 is:
ft2 = acres x 43,560
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from acres to square feet (ac to ft2).
Acres to Square Feet Conversion Example
Task: Convert 20 acres to square feet (show work) Formula: acres x 43,560 = ft2 Calculations: 20 acres x 43,560 = 871,200 ft2 Result: 20 acres is equal to 871,200 ft2
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from acres to ft2.
Acres to Square Feet Conversion Chart
| acres (ac) | square feet (ft2) |
|---|---|
| 1 acres | 43,560 ft2 |
| 2 acres | 87,120 ft2 |
| 3 acres | 130,680 ft2 |
| 4 acres | 174,240 ft2 |
| 5 acres | 217,800 ft2 |
| 6 acres | 261,360 ft2 |
| 7 acres | 304,920 ft2 |
| 8 acres | 348,480 ft2 |
| 9 acres | 392,040 ft2 |
| 10 acres | 435,600 ft2 |
| 20 acres | 871,200 ft2 |
| 30 acres | 1,306,800 ft2 |
| 40 acres | 1,742,400 ft2 |
| 50 acres | 2,178,000 ft2 |
| 75 acres | 3,267,000 ft2 |
| 100 acres | 4,356,000 ft2 |
| 250 acres | 10,890,000 ft2 |
| 500 acres | 21,780,000 ft2 |
| 750 acres | 32,670,000 ft2 |
| 1,000 acres | 43,560,000 ft2 |
| 2,500 acres | 108,900,000 ft2 |
| 5,000 acres | 217,800,000 ft2 |
| 7,500 acres | 326,700,000 ft2 |
| 10,000 acres | 435,600,000 ft2 |
| 25,000 acres | 1,089,000,000 ft2 |
| 50,000 acres | 2,178,000,000 ft2 |
| 75,000 acres | 3,267,000,000 ft2 |
| 100,000 acres | 4,356,000,000 ft2 |
| 250,000 acres | 10,890,000,000 ft2 |
Related Units
This table provides a summary of the Area units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| square inches | in2 or sq in | US Customary Units/Imperial System |
| square feet | ft2 or sq ft | US Customary Units/Imperial System |
| square yards | yd2 or sq yd | US Customary Units/Imperial System |
| acres | ac | US Customary Units/Imperial System |
| square miles | mi2 or sq mi | US Customary Units/Imperial System |
| square millimeters | mm2 | Metric System |
| square centimeters | cm2 | Metric System |
| square decimeters | dm2 | Metric System |
| square meters | m2 | Metric System |
| square decameters | dam2 | Metric System |
| square hectometers | hm2 | Metric System |
| hectares | ha | Metric System |
| square kilometers | km2 | Metric System |
Note: For area conversions, US Customary Units and the Imperial System are equivalent.
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