Hectares to Square Miles Converter
Convert hectares (ha) to square miles (mi²)
Result
0.003861021585 mi²
Square Miles
1 ha = 0.003861021585 mi²
1 ha in other units
- 1Enter a valueType the number to convert
- 2Pick the unitsChoose what to convert from and to
- 3Read the resultSee it in every other unit too
How to convert hectares to square miles
One hectare equals 0.003861022 square miles, so multiply the number of hectares by 0.003861022.
mi² = ha × 0.003861022
1 ha = 0.003861022 mi² · 1 mi² = 258.9988 ha
Worked example
To convert 5 hectares to square miles: 5 ha × 0.003861022 = 0.01930511 mi².
About hectares (ha)
A hectare is 10,000 m² (a 100 m × 100 m square), about 2.47 acres. Farmland is often measured in hectares.
About square miles (mi²)
A square mile is 640 acres, about 2.59 km².
More conversions
Hectares to other units
Other units to Square Miles
Frequently asked questions
How many square miles are in one hectare?
One hectare equals 0.003861022 square miles.
How many hectares are in one square mile?
One square mile equals 258.9988 hectares.
How do I convert hectares to square miles?
Use the formula mi² = ha × 0.003861022. For example, 5 ha × 0.003861022 = 0.01930511 mi².