Area Converter
Convert area across 12 supported units with free instant calculations, formula guidance and examples. No sign-up required.
Calculations run in your browser. Results use approximately 12 significant digits, with floating-point rounding. Verify safety-critical measurements against applicable standards.
About Area conversion
Convert between 12 area units, including m², km², cm², mm², ha. Results update immediately when you edit the number or select another unit.
Use the exact unit labels: US and imperial variants are not always interchangeable.
Example calculation
1 m² = 0.000001 km². For linear quantities, multiply the source amount by the ratio of the two fixed reference-unit factors.
How to use
- Enter your amount in the field above.
- Select the original and destination area units.
- Copy the calculated result or swap the units to reverse the conversion.
Frequently asked questions
Can I convert area units for free?
Yes, the calculation runs locally in your browser with no sign-up.
Which units are supported?
This category currently includes 12 entries. Select the units from the dropdowns above.
Are the results suitable for professional use?
Use the exact unit labels: US and imperial variants are not always interchangeable. Check critical work against an applicable standard.
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Unit definition reference: NIST Guide to the SI.