Utilities
Area Converter
Convert an area between square meters, hectares, square kilometers, square feet, square yards, acres, and square miles locally in your browser.
Convert an area between square millimeters, square centimeters, square meters, hectares, square kilometers, square inches, square feet, square yards, acres, and square miles. Zero is a valid area.
Conversions run locally in your browser; your area is not uploaded or stored.
Convert one area into the units you need.
Enter a non-negative area and choose its unit to see the equivalent square millimeters, square centimeters, square meters, hectares, square kilometers, square inches, square feet, square yards, acres, and square miles. Zero is valid. It runs locally in your browser, so your value is not uploaded or stored.
Frequently Asked Questions
Everything you need to know about this tool, how it works, and privacy.
Which area units can I convert?
Enter an area in square millimeters, square centimeters, square meters, hectares, square kilometers, square inches, square feet, square yards, acres, or square miles. The converter returns the equivalent value in all ten units using 1 square inch = 0.00064516 square meters, 1 square foot = 0.09290304 square meters, 1 square yard = 0.83612736 square meters, 1 acre = 4046.8564224 square meters, and 1 square mile = 2589988.110336 square meters.
Can I convert zero or decimal areas?
Yes. Zero is a valid area, and decimal values are accepted. Negative areas are rejected because an area cannot be less than zero. Results show up to six decimal places when needed.
What happens with very large areas?
The converter shows an error when the entered area is too large to convert safely, instead of returning an unreliable rounded result.
Does my area leave my browser?
No. The conversion and copy action run locally in your browser. CodeASystem does not upload or store the value you enter.