Convert Hectares to Square Miles

Enter your hectare value in the form below to get the value calculated in square miles.

Results in Square Miles:

1 ha = 0.003861 sq mi

How to Convert Hectares to Square Miles

Calculators can be used to convert measurements from one unit to another

Save Share Tweet

Convert hectares to square miles with this simple formula:

square miles = hectares × 0.003861

Converting a hectare area measurement to a square mile measurement involves multiplying the area by the conversion ratio to find the result. One hectare is equal to 0.003861 square miles, so to convert simply multiply by 0.003861.

For example, here's how to convert 5 hectares to square miles using the formula above.

5 ha = (5 × 0.003861) = 0.019305 sq mi

Learn more about finding the area of your space using our area calculator.

Hectares and square miles are both units used to measure area. Learn more about area and find more area measurement conversion calculators. Hectares are a metric measurement and can be abbreviated as ha, for example 1 ha. Square miles are an imperial measurement and can be abbreviated as sq mi, for example 1 sq mi. Learn more about the metric system, including the common unit prefixes and how to convert between metric units.

hectares and square miles are units used to measure area

Convert Square Miles to Hectares

Hectare Measurements and Equivalent Square Mile Conversions

Common hectare values converted to the equivalent square mile value
Hectares	Square Miles
1 ha	0.003861 sq mi
2 ha	0.007722 sq mi
3 ha	0.011583 sq mi
4 ha	0.015444 sq mi
5 ha	0.019305 sq mi
6 ha	0.023166 sq mi
7 ha	0.027027 sq mi
8 ha	0.030888 sq mi
9 ha	0.034749 sq mi
10 ha	0.03861 sq mi
11 ha	0.042471 sq mi
12 ha	0.046332 sq mi
13 ha	0.050193 sq mi
14 ha	0.054054 sq mi
15 ha	0.057915 sq mi
16 ha	0.061776 sq mi
17 ha	0.065637 sq mi
18 ha	0.069498 sq mi
19 ha	0.073359 sq mi
20 ha	0.07722 sq mi
21 ha	0.081081 sq mi
22 ha	0.084942 sq mi
23 ha	0.088803 sq mi
24 ha	0.092665 sq mi
25 ha	0.096526 sq mi
26 ha	0.100387 sq mi
27 ha	0.104248 sq mi
28 ha	0.108109 sq mi
29 ha	0.11197 sq mi
30 ha	0.115831 sq mi
31 ha	0.119692 sq mi
32 ha	0.123553 sq mi
33 ha	0.127414 sq mi
34 ha	0.131275 sq mi
35 ha	0.135136 sq mi
36 ha	0.138997 sq mi
37 ha	0.142858 sq mi
38 ha	0.146719 sq mi
39 ha	0.15058 sq mi
40 ha	0.154441 sq mi

More Hectare Area Conversions

US Customary

Convert to Acres: 1 ha is equal to 2.471054 acres
Convert to Square Yards: 1 ha is equal to 11,959.9 square yards
Convert to Square Feet: 1 ha is equal to 107,639.1 square feet
Convert to Square Inches: 1 ha is equal to 15,500,031 square inches

SI Units

Convert to Square Kilometers: 1 ha is equal to 0.01 square kilometers
Convert to Square Meters: 1 ha is equal to 10,000 square meters
Convert to Square Centimeters: 1 ha is equal to 100,000,000 square centimeters
Convert to Square Millimeters: 1 ha is equal to 10,000,000,000 square millimeters