What is the Area Converter?
Convert any area unit to all others at once — cm², m², km², ft², ac, ha, mi². Area conversions are essential for real estate, flooring, land surveys, farming and map reading. Every conversion uses the exact internationally defined factor, so results are precise to 12 significant digits.
How to use the Area Converter
- Enter your value, your from unit.
- Results update automatically as you type; you can also press Calculate.
- Read the output: square centimeter (cm²), square meter (m²), square kilometer (km²), square foot (ft²).
- Check the chart to see how the conversion scales.
Formula and method
Worked example
With value = 1, from unit = Square Centimeter (cm²), the Area Converter returns square centimeter (cm²): 1 cm²; square meter (m²): 0.0001 m²; square kilometer (km²): 1e-10 km².
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
What does the Area Converter do?
Convert any area unit to all others at once — cm², m², km², ft², ac, ha, mi².
How is it calculated?
The Area Converter uses this method: value in target = value × (factor of source ÷ factor of target).
Can you show an example?
With value = 1, from unit = Square Centimeter (cm²), the Area Converter returns square centimeter (cm²): 1 cm²; square meter (m²): 0.0001 m²; square kilometer (km²): 1e-10 km².
Is the Area Converter accurate?
Yes. It uses standard formulas and exact constants, and the results are verified by our automated test suite. Values are displayed to up to 12 significant digits.
Is this tool free and private?
Yes — the Area Converter is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
Related tools
📬 Get new tools first — free
Join Taurang to hear about new calculators, converters and features. No spam; unsubscribe anytime.