Hectares to Square Meters Converter

About the ha to m² calculation

One hectare is exactly 10,000 square meters, so converting between them is a single multiplication. Enter any value above and the result updates as you type. Exactly 10,000 m², the metric standard for farmland and land registry. The standard unit for floor area in metric countries.

Formula

m² = ha × 10,000

1 ha = 10,000 m²
1 m² = 0.0001 ha

Worked example

To convert 1 ha, multiply by 10,000: 1 × 10,000 = 10,000 m².

Frequently asked questions

How many square meters are in a hectare?

There are 10,000 square meters in one hectare. To convert any amount, multiply the number of hectares by 10,000.

How do I convert square meters back to hectares?

Divide instead of multiplying, or equivalently multiply by 0.0001. One square meter is 0.0001 hectares.

Is this conversion exact?

Yes. Since the international agreement of 1959, the relationship between hectares and square meters 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?

Hectares: exactly 10,000 m², the metric standard for farmland and land registry. Square Meters: the standard unit for floor area in metric countries.

Sources

• NIST Special Publication 811 — Guide for the Use of the International System of Units