Field Area Calculator

Calculate agricultural or large field area in acres and hectares. For residential property measurement, try our Lot Size Calculator.

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Field Area: —
Formula:
Area = Length × Width
1 acre = 43,560 ft²
1 hectare = 10,000 m²
Example:
1,320 ft × 660 ft = 871,200 ft²
871,200 ÷ 43,560 = 20 acres
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Frequently Asked Questions

How many square feet are in an acre?

There are 43,560 square feet in one acre.

How many acres are in a hectare?

1 hectare equals approximately 2.471 acres.

Can this calculator handle irregular fields?

This tool calculates rectangular fields. Divide irregular fields into sections and sum the areas.