Area Converter
Convert area between units like square metres, square feet and acres instantly with this free unit converter in your browser.
Convert area
Result
0.01
1 Square millimetres (mm²) = 0.01 Square centimetres (cm²)
All units
- Square millimetres (mm²)
- 1
- Square centimetres (cm²)
- 0.01
- Square metres (m²)
- 1.0000e-6
- Hectares (ha)
- 1.0000e-10
- Square kilometres (km²)
- 1.0000e-12
- Square inches (in²)
- 0.00155
- Square feet (ft²)
- 1.0764e-5
- Square yards (yd²)
- 1.1960e-6
- Acres (ac)
- 2.4711e-10
Before you rely on this: First-pass guide only. Verify safety-critical or regulated work against the relevant standards, your project requirements and a qualified professional.
How to use this calculator
- Enter the amount you want to convert.
- Choose the unit you have (From) and the unit you want (To).
- Read the result instantly — every other unit is listed too.
How it works
Converts between square metres, square feet (×10.764), acres (1 acre ≈ 4,047 m²), hectares (1 ha = 10,000 m²) and square kilometres.
Worked example
10,000 m². = 1 hectare ≈ 2.47 acres.
Common mistakes
- Forgetting area units are squared — 1 m = 100 cm, but 1 m² = 10,000 cm².
- Confusing hectares and acres (1 ha ≈ 2.47 acres).
Frequently asked questions
How many m² in an acre?
About 4,047 m² in one acre.
Hectare vs acre?
1 hectare = 10,000 m² ≈ 2.47 acres.
How many square metres are in an acre?
About 4,047 m². A hectare is 10,000 m², which is roughly 2.47 acres.
How accurate are the conversions?
They use standard conversion factors at full device precision, so they're reliable for everyday and professional use.
Does it work offline and stay private?
Yes — the conversion runs entirely in your browser, with no sign-up and nothing sent to a server.
Related tools
Explore more in Units, Measurement & Converters.
Cite this tool
Zerdly. (2026). Area Converter. Retrieved from https://www.zerdly.com/tools/area-converter/
Area conversion table
How much one of each unit equals in the others — read each row as “1 [row unit] = …”. All values are exact conversions.
| 1 unit = | mm² | cm² | m² | hectares | km² | in² | ft² | yd² | acres |
|---|---|---|---|---|---|---|---|---|---|
| 1 mm² | 1 | 0.01 | 0.000001 | 1e-10 | 1e-12 | 0.00155 | 0.000011 | 0.000001 | 2.47e-10 |
| 1 cm² | 100 | 1 | 0.0001 | 1e-8 | 1e-10 | 0.155 | 0.001076 | 0.00012 | 2.47e-8 |
| 1 m² | 1,000,000 | 10,000 | 1 | 0.0001 | 0.000001 | 1,550.0031 | 10.76391 | 1.19599 | 0.000247 |
| 1 hectares | 10,000,000,000 | 100,000,000 | 10,000 | 1 | 0.01 | 15,500,031.000062 | 107,639.104167 | 11,959.900463 | 2.471054 |
| 1 km² | 1,000,000,000,000 | 10,000,000,000 | 1,000,000 | 100 | 1 | 1,550,003,100.0062 | 10,763,910.41671 | 1,195,990.046301 | 247.105381 |
| 1 in² | 645.16 | 6.4516 | 0.000645 | 6.45e-8 | 6.45e-10 | 1 | 0.006944 | 0.000772 | 1.59e-7 |
| 1 ft² | 92,903.04 | 929.0304 | 0.092903 | 0.000009 | 9.29e-8 | 144 | 1 | 0.111111 | 0.000023 |
| 1 yd² | 836,127.36 | 8,361.2736 | 0.836127 | 0.000084 | 0.000001 | 1,296 | 9 | 1 | 0.000207 |
| 1 acres | 4,046,856,422.400001 | 40,468,564.224 | 4,046.856422 | 0.404686 | 0.004047 | 6,272,640 | 43,560 | 4,840 | 1 |
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.