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Square Kilometer to Hectare Converter

Instant, two-way conversion across common engineering units.

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1 km² = 100 ha(Square kilometre → Hectare)

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Converting square kilometers to hectares

To convert square kilometers to hectares, multiply the value by 100. 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 square kilometer = 100 hectares.
1 hectare = 0.01 square kilometers.

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.

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.

Frequently asked questions

How many hectares are in one square kilometer?

1 km² equals 100 ha.

How do I convert square kilometers to hectares?

Multiply the value by 100. For example, 10 km² equals 1,000 ha.

How do I convert back from hectares to square kilometers?

1 ha equals 0.01 km². 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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