How many inches is 1 cm?

1 centimetres = 0.39 inches. Divide cm by 2.54 to convert.

What is 1 cm in feet and inches?

1 cm ≈ 0′0″ — useful for human height.

Divide by 2.5: 1 ÷ 2.5 = 0.4 inches. Exact: 0.39 inches.

1 cm equals 0.39 in.

Formula: cm × 0.393701 = in

1 cm =

0.39in

Feet

0.03 ft

Millimetres

10 mm

Computed to 3 decimal places using factor 0.393701. For engineering or safety-critical uses verify against a calibrated reference.

Reference table

centimetres (cm)	inches (in)	Feet	Millimetres
1 cm	0.39 in	0.03 ft	10 mm
2 cm	0.79 in	0.07 ft	20 mm
3 cm	1.18 in	0.1 ft	30 mm
4 cm	1.57 in	0.13 ft	40 mm
5 cm	1.97 in	0.16 ft	50 mm
6 cm	2.36 in	0.2 ft	60 mm
7 cm	2.76 in	0.23 ft	70 mm

By use case

Small objects

pocket / tool

Screens / TVs

display diagonals

Height

human stature

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FAQ

How many inches is 1 cm?: 1 centimetres = 0.39 inches. Divide cm by 2.54 to convert.
What is 1 cm in feet and inches?: 1 cm ≈ 0′0″ — useful for human height.
How to convert 1 cm to inches mentally?: Divide by 2.5: 1 ÷ 2.5 = 0.4 inches. Exact: 0.39 inches.

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