Free · Area conversions
Ares & Hectares Metric Area Conversion Calculator
Convert ares & hectares metric area with editable results and an explained example.
- Formula & worked example
- Private in your browser
- No signup
Calculator inputs
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How to use this calculator
- Enter the known values in the units shown. Results update as you type.
- Edit a calculated value to solve backwards, or lock a value to hold it fixed.
- Use the worked example to check the method. Reset restores the starting fields.
Private by default
Inputs and results stay in this browser tab. Bookify does not upload or store the values you enter.
Formula and method
100 ares = 1 hectare = 10,000 m². An are contains one hundred square meters. A hectare contains one hundred ares. Neither unit specifies the shape or boundary lengths of the land.
100 ares = 1 hectare = 10,000 m²
Worked example
Enter these known values and leave the other values blank.
- Ares
- 100 a
- Hectares
- 1 ha
- Area in other units
- 10000 m²
Assumptions and limitations
- An are contains one hundred square meters. A hectare contains one hundred ares. Neither unit specifies the shape or boundary lengths of the land.
- A unit change preserves the quantity. Select the desired unit before entering a new measurement.
Common questions
Which area definition does this tool use?
An are contains one hundred square meters. A hectare contains one hundred ares. Neither unit specifies the shape or boundary lengths of the land.
Can I solve the conversion in reverse?
Enter the known quantity in its selected unit and leave the unknown quantity blank. Results retain extra precision internally and are rounded for display.
References
The calculation equations, inverse formulas, units, and input rules were imported from this source. Bookify provides the interface and equation solver.
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