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Hectare to Square Kilometer Converter

Instant, two-way conversion across common engineering units.

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1 ha = 0.01 km²(Hectare → Square kilometre)

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Converting hectares to square kilometers

To convert hectares to square kilometers, multiply the value by 0.01. Area figures drive floor space schedules, finish quantities and cost per area, so both metric and imperial results are shown at full precision.

Visual scale

To scale
1 hectare = 0.01 square kilometers.
1 square kilometer = 100 hectares.

Hectare (ha)

The hectare (ha) equals 10,000 square meters and is the standard metric unit for land area.

Origin
A non-SI unit accepted for use with SI, defined as one square hectometer.
Where it is used
Used for site areas, masterplanning, agriculture and land registry records.
Relation to SI
1 ha = 10,000 m², about 2.471 acres.

Square Kilometer (km²)

The square kilometer (km²) measures large territories and urban districts.

Origin
The area of a square with 1 km sides, a decimal multiple of the square meter.
Where it is used
Used for regional planning, catchment analysis and mapping.
Relation to SI
1 km² = 1,000,000 m² = 100 ha.

Frequently asked questions

How many square kilometers are in one hectare?

1 ha equals 0.01 km².

How do I convert hectares to square kilometers?

Multiply the value by 0.01. For example, 10 ha equals 0.1 km².

How do I convert back from square kilometers to hectares?

1 km² equals 100 ha. The converter above works in both directions, so you can type into either field.

When should I use hectares instead of acres?

Hectares are the metric standard for site and land areas in most planning systems, while acres remain common in US and UK land records. Use whichever the local authority requires and quote the other in brackets.

How do I convert a length ratio into an area ratio?

Square the length factor. Because 1 ft = 0.3048 m, one square foot is 0.3048², which is 0.09290304 m².

Is this area converter free to use?

Yes. Every unit conversion runs in your browser, needs no account and is free for professional use.

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