Convert hectares to square miles

Hectares to square miles. Enter a value to convert, or use the hectares to square miles chart further down the page.

1 ha = 0.003861021585 mi²

1 hectare equals 0.003861021585 square miles. Going the other way, 1 square mile = 258.998811 hectares.

How to convert hectares to square miles

To convert hectares to square miles, multiply the hectare value by 0.003861021585. You can also divide by 258.998811 to get the same answer.

mi² = ha × 0.003861021585

Convert 15 ha to square miles:

15 ha = 0.05791532378 mi²

Use this hectares to square miles table for quick reference without typing anything.

A hectare is 10,000 square meters — a square 100 m on each side. It is the metric standard for land and agricultural area.

A square mile is exactly 640 acres, or about 2.59 square kilometers. It is the unit used for US county and city areas.

How many square miles are in a hectare?

1 hectares equals 0.003861021585 square miles. Going the other way, 1 square miles is 258.998811 hectares.

How do you convert hectares to square miles?

To convert hectares to square miles, multiply the hectare value by 0.003861021585. You can also divide by 258.998811 to get the same answer.

What is 10 hectares in square miles?

10 hectares equals 0.03861021585 square miles. The conversion chart on this page lists the other values people look up most often.