Everyday
Percentages, tips & quick math
1 cm to inches
1 cm equals 0.3937 in. This is the exact conversion for 1 cm to inches, derived from exact SI/NIST definitions with the standard conversion factor. It's also written 1 cm to in. See nearby values below, or open the full Unit Converter to convert any other value or unit.
Quick answer
1 cm = 0.3937 in
- 1 cm = 0.3937 in
- Exact definitional conversion factor
Frequently asked questions
What is 1 cm in inches?
1 cm is 0.3937 in. The conversion uses the exact factor 1 cm = 0.3937 in.
How do I convert cm to inches?
Multiply by the exact factor (1 cm = 0.3937 in). Open the full Unit Converter to convert any value.
Is 1 cm to in the same as 1 cm to inches?
Yes — 1 cm to in and 1 cm to inches are the same conversion: 1 cm = 0.3937 in.