What is a Square Kilometer?

The square kilometer is a metric unit of area equal to 1,000,000 square meters, or a square with sides of 1 kilometer.

The hectare is a metric unit of area equal to 10,000 square meters, or 100 ares — the area of a square 100 meters on each side.

Where is Square Kilometer used in everyday life?

Country areas, national park sizes, city footprints, forest coverage, and watershed boundaries.

What are common mistakes when converting Square Kilometer?

Thinking 1 km² = 1,000 m² (it's actually 1,000,000 m²). Area scales as the square of the linear dimension.

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"1" Square Kilometer

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Square Kilometer (km²)

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Square Meter(m²)Copy Answer
Square Hectometer(hm²)Copy Answer
Square Dekameter(dam²)Copy Answer
Square Decimeter(dm²)Copy Answer
Square Centimeter(cm²)Copy Answer
Square Millimeter(mm²)Copy Answer
Square Micrometer(µm²)Copy Answer
Square Nanometer(nm²)Copy Answer
Are(a)Copy Answer
Hectare(ha)Copy Answer
Square Inch(in²)Copy Answer
Square Foot(ft²)Copy Answer
Square Yard(yd²)Copy Answer
Square Mile(mi²)Copy Answer
Acre(ac)Copy Answer
Acre (US Survey)(ac (US))Copy Answer
Square Foot (US Survey)(ft² (US))Copy Answer
Square Mile (US Survey)(mi² (US))Copy Answer
Barn(b)Copy Answer
Circular Inch(circ in)Copy Answer
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How to Convert Square Kilometer to Hectare

To convert km² to mi²: multiply by 0.3861. To hectares: multiply by 100. To acres: multiply by 247.105.

1 km² = 1,000,000 m² = 100 ha = 247.105 acres ≈ 0.3861 mi².

For example, 1 Square Kilometer (km²) = 100 Hectare (ha).