Inches to cm
Convert inches to centimetres, with a chart from 1 to 72 inches.
12 in is
30.48 cm
In every unit
- Millimetres304.8 mm
- Centimetres30.48 cm
- Metres0.3048 m
- Kilometres0.0003048 km
- Feet1 ft
- Yards0.333333 yd
- Miles0.000189394 mi
- Nautical miles0.000164579 nmi
Show workings
- Conversion factor1 in = 2.54 cm
- Result12 × 2.54 = 30.48 cm
How to convert inches to centimetres
For waist and inside-leg sizes, screen sizes and imperial measurements on plans or packaging.
Multiply the inches by 2.54: that conversion is exact by definition.
Quick estimate: 2½ cm per inch gets you close: 12 inches ≈ 30 cm (exactly 30.48).
Worked example
32 inches is 81.28 cm (32 × 2.54).
Inches to centimetres chart
| in | cm |
|---|---|
| 1 | 2.54 cm |
| 2 | 5.08 cm |
| 3 | 7.62 cm |
| 6 | 15.24 cm |
| 12 | 30.48 cm |
| 18 | 45.72 cm |
| 24 | 60.96 cm |
| 28 | 71.12 cm |
| 30 | 76.2 cm |
| 32 | 81.28 cm |
| 34 | 86.36 cm |
| 36 | 91.44 cm |
| 48 | 121.92 cm |
| 72 | 182.88 cm |
More conversions
Questions
How many centimetres is 32 in?
32 inches is 81.28 cm.
How many centimetres is 36 in?
36 inches is 91.44 cm.
How many cm is a foot?
A foot is 12 inches, which is exactly 30.48 cm.