1 in in centimetres
1 inches =
2.54 cm
Formula: cm = in × 2.54
How to convert 1 in to cm
- One inch is 2.54 cm.
- Multiply: 1 × 2.54 = 2.54 cm.
- Rounded to one decimal place, that’s 2.5 cm.
- To check, convert back: 2.54 cm is 1 in.
Convert another value
1 in in other units
- Millimetre25.4 mm
- Centimetre2.54 cm
- Metre0.0254 m
- Kilometre0.0000254 km
- Foot0.0833 ft
- Mile0.00001578 mi
Nearby values
| Inches | Centimetres |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 4 in | 10.16 cm |
| 5 in | 12.7 cm |
Questions
How many centimetres is 1 in?
1 in is 2.54 cm.
How do you convert 1 in to cm?
Use the formula cm = in × 2.54. For 1 in, that gives 2.54 cm.