Method
Area values are converted through square-unit factors, preserving the two-dimensional quantity.
From square millimetres to square miles, in any direction.
Useful context
Use the calculator first, then scan the details below when you want more context about the inputs, result, or assumptions.
Area values are converted through square-unit factors, preserving the two-dimensional quantity.
Enter an area, choose its unit, and compare metric and imperial outputs.
The result is the same surface area expressed in units such as square metres, square feet, acres, or hectares.
One hectare equals 10,000 square metres.
Do not use a length conversion factor for area; each square unit has its own relationship.
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