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Square Kilometers to Hectares Converter

Convert square kilometers (km²) to hectares (ha), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter an area, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.

A number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
The unit you want the answer in. Swap exchanges the two units.
Result
100 ha
square miles
0.386102158542 sq mi
acres
247.105381467 ac
square yards
1,195,990.0463 sq yd
square feet
10,763,910.4167 sq ft
square inches
1,550,003,100.01 sq in
ares
10,000 a
square meters
1,000,000 m²
square centimeters
10,000,000,000 cm²
square millimeters
1,000,000,000,000 mm²
square micrometers
1 × 10¹⁸ µm²

1 km² = 100 ha

Show the working
  1. 1 km² = 100 ha
  2. 1 × 100 = 100 ha

How to convert square kilometers to hectares

1 km² = 100 ha, so multiply by 100 to go from square kilometers to hectares. Going the other way, 1 ha = 0.01 km².

ha = km² × 100
km² = ha × 0.01

Worked example:

1 km² = 100 ha
5 × 100 = 500 ha

Square Kilometers to hectares table

Square KilometersHectares
1 km²100 ha
2 km²200 ha
3 km²300 ha
4 km²400 ha
5 km²500 ha
6 km²600 ha
7 km²700 ha
8 km²800 ha
9 km²900 ha
10 km²1,000 ha
15 km²1,500 ha
20 km²2,000 ha
25 km²2,500 ha
30 km²3,000 ha
40 km²4,000 ha
50 km²5,000 ha
75 km²7,500 ha
100 km²10,000 ha
250 km²25,000 ha
500 km²50,000 ha
1000 km²100,000 ha

About the units

Square Kilometers (km²)
Square kilometers, a metric unit. Definition: BIPM SI Brochure (SI prefixes).
Hectares (ha)
Hectares, a metric unit. Definition: BIPM SI Brochure (non-SI unit accepted for use with the SI).

Formula version 0.1.0Reviewed