Convert in to cm
A practical reference for converting inches (in) to centimeters (cm), a length unit. Type any value for an instant result, or use the reference table below.
1 in = 2.54 cm
cm = in × 2.54
Conversion formula
cm = in × 2.54Multiply inches by 2.5 for a rough figure. A 27-inch monitor is about 68.6 cm.
Quick reference table
| inches | centimeters |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 15 in | 38.1 cm |
| 24 in | 60.96 cm |
| 27 in | 68.58 cm |
| 32 in | 81.28 cm |
| 55 in | 139.7 cm |
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Open Unit ConverterFrequently asked questions
How many cm is 1 in?
1 in equals 2.54 cm.
Why does my result differ slightly from other sites?
Rounding. This page displays four decimal places while the underlying calculation keeps full precision.
Is my input sent to a server?
No. Every calculation runs locally in your browser and nothing is transmitted.
All calculations on this page run in your browser. Your input is never sent to a server.