Kilometres to centimetres converter

Convert kilometres (km) to centimetres (cm).

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Edit either value. Decimals and scientific notation supported.

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CONVERSION

1 km ≈ 100000 cm

Display precision

Precision changes displayed rounding, not calculation accuracy.

FORMULAcm = km × 100000

FORMULA & EXAMPLES

How to convert Kilometres to centimetres

cm = km × 100000

Multiply the km reading by 100000.

Worked examples

5 km ≈ 500000 cm

5 × 100000 ≈ 500000

42.195 km ≈ 4219500 cm

42.195 × 100000 ≈ 4219500

Kilometres to centimetres table

Fixed reference · Kilometre to Centimetre

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

Kilometre (km)	Centimetre (cm)
0	0
0.1	10000
0.5	50000
1	100000
2	200000
5	500000
10	1000000
25	2500000
50	5000000
100	10000000
1000	100000000

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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