What shape does this acreage calculator assume?
It assumes a rectangle; divide irregular land into simpler shapes and add their areas.
Acreage Calculator
Measure a rectangular lot in feet and instantly find its acreage and metric area.
Enter land dimensions
Use the length and width of a rectangular plot in feet.
About this converter
How to use Acreage Calculator, plus the formulas and logic behind the results.
Tool description
This acreage calculator converts a rectangular length and width in feet into square feet, acres, hectares, and square meters for land planning and property estimates.
How to use
- Enter the plot length in feet.
- Enter the plot width in feet.
- Select Calculate to multiply the dimensions.
- Review acreage and metric equivalents.
Formulas & reference
square feet = length × widthacres = square feet ÷ 43,560hectares = square feet × 0.09290304 ÷ 10,000
Calculation logic
The dimensions are multiplied to get square feet. The tool then uses 43,560 square feet per acre and exact SI foot definitions.
Acreage Calculator FAQ
Common questions about this conversion and how to interpret the result.
How many square feet are in an acre?
One acre contains exactly 43,560 square feet.
What dimensions make one acre?
Any rectangle with an area of 43,560 square feet, such as 660 ft by 66 ft, is one acre.
How are hectares calculated?
Square feet are converted to square meters, then divided by 10,000.
Can I use decimal feet?
Yes. Decimal dimensions are accepted for more precise measurements.
Does this account for slope?
No. It calculates horizontal rectangular area, not sloped surface area.