Area Converter
Area conversion workspace
Enter a decimal, fraction or quick calculation — for example 12.5, 3/8 or (12*4)+6.5.
Batch conversionconvert up to 100 values at once
No values yet.
Compare all area units
One input, every supported equivalent. Select any row as the main target.
| Unit | Equivalent | Target action |
|---|---|---|
| Square Meters m² | 1 | SourceSource |
| Are a | 0.01 | |
| Hectare ha | 1E-4 | |
| Square Feet ft² | 10.76 | TargetSelected |
| Square Kilometers km² | 1E-6 | |
| Acres ac | 2.47E-4 |
Area measures two-dimensional space. One are is exactly 100 square metres and one hectare is 100 ares.
Sourced factorsFormula
value in target = value × source factor / target factor
Calculations use the central unit catalog and preserve precision until the result is formatted.
Common conversions
| Input | From | To | Result |
|---|---|---|---|
| 1 | Are | Square Meters | 100 |
| 1 | Hectare | Are | 100 |
Common area conversions
Curated references with worked examples, formulas and the full interactive converter.
Frequently asked questions
How many square metres are in one are?
1 are (ar) = 100 m² exactly.
How many ares are in one hectare?
1 hectare (ha) = 100 ares = 10,000 m² exactly.
Accuracy & transparency
Sources & methodology
Calculations keep full numeric precision until display formatting. These references describe the definitions, variants or factors used; links do not imply affiliation.
SI definitions and published coefficients for selected non-SI units.
Reference factors and named variants for commonly used units, including US liquid cooking measures and British stone.
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