# Convert hectares to square kilometers

Enter the number of hectares you want to convert to square kilometers in the text box below. The conversion to area in square kilometers will update as you type.

hectares (ha)
1 hectares = 0.01 square kilometers

## Precise decimal and fraction answers

The conversion in square kilometers rounded to six significant decimal places is 1 ha = 0.0100000 km2. The precise fraction answer is 1/100 km2.

### Decimal Precision

Conversion from one to ten decimal places

• 1 ha = 0.01 km2
• 1 ha = 0.010 km2
• 1 ha = 0.0100 km2
• 1 ha = 0.01000 km2
• 1 ha = 0.010000 km2
• 1 ha = 0.0100000 km2
• 1 ha = 0.01000000 km2
• 1 ha = 0.010000000 km2
• 1 ha = 0.0100000000 km2
• 1 ha = 0.01000000000 km2

## Hectares to square kilometers conversion factor and formulas

Formula

The conversion factor between hectares and square kilometers is 100. This represents the ratio of hectares per one square kilometer. To calculate the value in square kilometers, we can either divide by the conversion factor or multiply by its inverse.

### Division

To convert from hectares to square kilometers, divide hectares by 100.
The formula is expressed as:
ha ÷ 100 = km2

### Multiplication

Alternatively we can multiply by the inverse conversion factor to get the same result.
The inverse of 100 is 1/100 or 0.01. To convert from hectares to square kilometers, multiply hectares by 0.01.
The formula is expressed as:
ha × 0.01 = km2

A conversion from hectares to square kilometers are units within in the metric (SI) or SI compatible systems.

SI Unit

The hectare is a metric measure of area defined by a square with sides 100 meters in length. One hundred hectares equal a square kilometer. The unit is widely used in the measure of large areas of land. While it is not an official SI unit, the hectare is fully compatible with the metric system and used in most countries which have adopted metric units.

## Reverse this conversion

Convert from square kilometers to hectares instead.

## 1 hectares to other area units

### Metric

• 1 ha = 1 ha
• 1 ha = 0.01 km2
• 1 ha = 10,000 m2
• 1 ha = 1,000,000 dm2
• 1 ha = 1×108 cm2
• 1 ha = 1×1010 mm2
• 1 ha = 1×1016 µ2
• 1 ha = 1×1022 nm2

### Imperial/U.S.

• 1 ha = 2.471 acre
• 1 ha = 0.004 sq mi
• 1 ha = 11,959.9 sq yd
• 1 ha = 107,639.104 sq ft
• 1 ha = 1.55×107 sq in

## References and Citations

1. International Bureau of Weights and Measures (BIPM) The International System of Units (SI)

ha km2
1 ha 0.01 km2
2 ha 0.02 km2
3 ha 0.03 km2
4 ha 0.04 km2
5 ha 0.05 km2
6 ha 0.06 km2
7 ha 0.07 km2
8 ha 0.08 km2
9 ha 0.09 km2
10 ha 0.1 km2
ha km2
20 ha 0.2 km2
30 ha 0.3 km2
40 ha 0.4 km2
50 ha 0.5 km2
60 ha 0.6 km2
70 ha 0.7 km2
80 ha 0.8 km2
90 ha 0.9 km2
100 ha 1 km2
1,000 ha 10 km2