About the m² to ha calculation
One square meter is exactly 0.0001 hectares, so converting between them is a single multiplication. Enter any value above and the result updates as you type. The standard unit for floor area in metric countries. Exactly 10,000 m², the metric standard for farmland and land registry.
Formula
ha = m² × 0.0001
1 m² = 0.0001 ha
1 ha = 10,000 m²Worked example
To convert 100 m², multiply by 0.0001: 100 × 0.0001 = 0.01 ha.
Frequently asked questions
How many hectares are in a square meter?
There are 0.0001 hectares in one square meter. To convert any amount, multiply the number of square meters by 0.0001.
How do I convert hectares back to square meters?
Divide instead of multiplying, or equivalently multiply by 10,000. One hectare is 10,000 square meters.
Is this conversion exact?
Yes. Since the international agreement of 1959, the relationship between square meters and hectares is defined exactly rather than measured, so the only rounding here is in how many decimal places we show.
Where is each of these units used?
Square Meters: the standard unit for floor area in metric countries. Hectares: exactly 10,000 m², the metric standard for farmland and land registry.
Sources
- NIST Special Publication 811 — Guide for the Use of the International System of Units