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Square millimeters to Square centimeters Converter

Convert mm² to cm² instantly — and see every other area unit at once.

From
To
0.01cm²

1 mm²=0.01 cm²

1 mm² in every unit

Square millimetersfrom

1mm²

Square centimeters

0.01cm²

Square meters

1.0000e-6

Square kilometers

1.0000e-12km²

Hectares

1.0000e-10ha

Square inches

0.00155in²

Square feet

1.0764e-5ft²

Square yards

1.1960e-6yd²

Acres

2.4711e-10ac

Square miles

3.8610e-13mi²

Common Square millimeters to Square centimeters conversions

Square millimeters (mm²)Square centimeters (cm²)
1 mm²0.01 cm²
2 mm²0.02 cm²
5 mm²0.05 cm²
10 mm²0.1 cm²
25 mm²0.25 cm²
50 mm²0.5 cm²
100 mm²1 cm²
250 mm²2.5 cm²
500 mm²5 cm²
1000 mm²10 cm²

The formula

cm² = Square millimeters ÷ 100

Square millimeters (mm²) — a unit of area.

Square centimeters (cm²) — a unit of area.

Worked examples

1 mm²0.01 cm²

Apply Square millimeters ÷ 100 with input = 1. Result: 0.01 cm².

5 mm²0.05 cm²

Apply Square millimeters ÷ 100 with input = 5. Result: 0.05 cm².

10 mm²0.1 cm²

Apply Square millimeters ÷ 100 with input = 10. Result: 0.1 cm².

FAQ

How do I convert Square millimeters to Square centimeters?

Use the formula: cm² = Square millimeters ÷ 100. You can also use the converter above — type any value and the result updates instantly.

Where are Square millimeters used?

Square millimeters (mm²) — a unit of area.

Where are Square centimeters used?

Square centimeters (cm²) — a unit of area.

How do I convert Square centimeters back to Square millimeters?

Use the Square centimeters to Square millimeters converter.

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