Centimetres to millimetres converter

Convert centimetres (cm) to millimetres (mm).

Length converter

Instant conversion

Edit either value. Decimals and scientific notation supported.

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Measurement format

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To value

Measurement format

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CONVERSION

1 cm ≈ 10 mm

Display precision

Precision changes displayed rounding, not calculation accuracy.

FORMULAmm = cm × 10

FORMULA & EXAMPLES

How to convert Centimetres to millimetres

mm = cm × 10

Multiply the cm reading by 10.

Worked examples

1 cm ≈ 10 mm

1 × 10 ≈ 10

100 cm ≈ 1000 mm

100 × 10 ≈ 1000

Centimetres to millimetres table

Fixed reference · Centimetre to Millimetre

Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.

Centimetre (cm)	Millimetre (mm)
0	0
0.1	1
0.5	5
1	10
2	20
5	50
10	100
25	250
50	500
100	1000
1000	10000

Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.

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