How many square miles are in 1 hectare?

1 hectare equals 0.00386102 mi².

How do I convert square miles back to hectares?

Use the reverse converter: 1 square mile equals 258.999 ha.

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert hectares to square miles, multiply the value by 0.00386102159.

mi² = ha × 0.00386102159

40 ha × 0.00386102159 = 0.1544 mi²

Hectare (ha): Used for farmland and forests worldwide. Equal to 10,000 square metres, introduced in the French metric system in 1795.
Square Mile (mi²): Used for large land areas in the US and UK. Equal to 640 acres.

How do I convert hectares to square miles?: To convert hectares to square miles, multiply the value by 0.00386102159.
How many square miles are in 1 hectare?: 1 hectare equals 0.00386102 mi².
How many square miles are in 10 hectares?: 10 ha equals 0.0386102 mi².
How do I convert square miles back to hectares?: Use the reverse converter: 1 square mile equals 258.999 ha.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.