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Hectares to Square kilometers Converter

1 ha = 0.01 km² (hectare → square kilometer)

1 ha = 0.01 km²

1 hectare equals 0.01 square kilometers. To convert hectares to square kilometers, multiply the hectare value by 0.01. For quick reference: 1 ha = 0.01 km², 5 ha = 0.05 km², 10 ha = 0.1 km², 100 ha = 1 km².

0.01
FormulaSquare kilometers = Hectares × 0.01
Quick

When to use hectares → square kilometers

Hectares to square kilometers divides by 100 — 1 km² is exactly 100 ha. A 350 ha forest block is 3.5 km². The conversion is a two-decimal shift, and the two units split cleanly by scale: hectares for farms, parks, and parcels; km² for municipalities and regions. Agricultural statistics switch between them constantly, so keeping the factor of 100 (not 1,000) straight is the whole game.

National land-cover statistics — forest cover, agricultural land, urban sprawl — are compiled in hectares at the survey level but reported in square kilometers at the country or regional level, so statistical agencies run this conversion at the final aggregation step: 250 ha is 2.5 km², 1,500 ha is 15 km², and 100 ha is exactly 1 km². The clean factor of 100 hectares per square kilometer makes this the easiest large-area conversion to sanity-check without a calculator.

How to convert hectares to square kilometers

  1. Take your value

    Start with your value in hectares.

  2. Multiply by 0.01

    Multiply the hectare value by 0.01. This is the exact conversion factor from hectares to square kilometers.

  3. Read the result

    The product is your value in square kilometers. For example, 5 ha × 0.01 = 0.05 km².

Conversion formula

The exact factor from hectares to square kilometers is 0.01.

Square kilometers = Hectares × 0.01

Hectares to Square kilometers conversion table

Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.

Conversion table from hectares to square kilometers
Hectares (ha)Square kilometers (km²)
0.1 ha0.001 km²
0.25 ha0.0025 km²
0.5 ha0.005 km²
1 ha0.01 km²
2 ha0.02 km²
3 ha0.03 km²
4 ha0.04 km²
5 ha0.05 km²
6 ha0.06 km²
7 ha0.07 km²
8 ha0.08 km²
9 ha0.09 km²
10 ha0.1 km²
12 ha0.12 km²
15 ha0.15 km²
20 ha0.2 km²
25 ha0.25 km²
30 ha0.3 km²
40 ha0.4 km²
50 ha0.5 km²
60 ha0.6 km²
70 ha0.7 km²
75 ha0.75 km²
80 ha0.8 km²
90 ha0.9 km²
100 ha1 km²
120 ha1.2 km²
150 ha1.5 km²
200 ha2 km²
250 ha2.5 km²
300 ha3 km²
400 ha4 km²
500 ha5 km²
600 ha6 km²
750 ha7.5 km²
800 ha8 km²
1000 ha10 km²
1200 ha12 km²
1500 ha15 km²
2000 ha20 km²
2500 ha25 km²
3000 ha30 km²
4000 ha40 km²
5000 ha50 km²
7500 ha75 km²
10000 ha100 km²
20000 ha200 km²
50000 ha500 km²
100000 ha1000 km²
1000000 ha10000 km²

Real-world reference

A full-size soccer pitch is roughly 0.7 ha. European farm sizes are typically quoted in hectares — the EU average is around 17 ha.

Frequently asked questions

How many square kilometers are in 1 hectare?
1 hectare equals 0.01 square kilometers.
How do I convert hectares to square kilometers?
Multiply the hectare value by 0.01. So x ha × 0.01 = the equivalent in km².
What is 5 hectares in square kilometers?
5 hectares equals 0.05 square kilometers.
What is 10 hectares in square kilometers?
10 hectares equals 0.1 square kilometers.
What is 100 hectares in square kilometers?
100 hectares equals 1 square kilometers.
How do I convert back from square kilometers to hectares?
Multiply the square kilometer value by 100. For example, 1 km² = 100 ha.
Is the hectare bigger than the square kilometer?
No. 1 hectare is smaller than 1 square kilometer. It takes 100 hectares to equal 1 square kilometer.
Are these conversion factors exact?
The factor is derived directly from the SI definitions of hectare and square kilometer; the displayed value is rounded for readability, and the browser computes using IEEE 754 double-precision arithmetic.

About the hectare and the square kilometer

The hectare

The hectare is the metric land unit — exactly 10,000 m², a square 100 meters on each side. It's the standard for farmland, forestry, and land registration in nearly every country outside the US. One hectare is about 2.47 acres. A rugby or soccer pitch is roughly 0.7–1 hectare.

The square kilometer

The square kilometer equals one million square meters — the standard unit for city, region, and country areas in metric countries. Manhattan is about 59 km²; Istanbul is about 5,461 km²; Turkey is about 783,562 km². One km² equals exactly 100 hectares or about 0.386 square miles.

Related converters

Square kilometers to Hectares
km² → ha
Square meters to Square feet
m² → ft²
Square meters to Acres
m² → ac
Square meters to Hectares
m² → ha
Square meters to Square kilometers
m² → km²
Square meters to Square miles
m² → mi²

Sources