Convert any value from inches to centimeters (or centimeters to inches) with our easy-to-use tool. See the step-by-step calculation process for precise in to cm conversion.
Convert in to cm easily with our precise length conversion tool. Whether you need to calculate inches to centimeters for home renovation, sewing, electronic device sizing, or everyday use, our tool delivers instant, accurate results. Learn the in to cm formula, view examples, and explore common length units.
1 inch (in) is equal to exactly 2.54 centimeters (cm) — the international standard conversion factor for in to cm calculations, defined by the International Yard and Pound Agreement (1959).
The length L in centimeters (cm) is equal to the length L in inches (in) multiplied by 2.54:
L(cm) = L(in) × 2.54
Convert 12 inches (1 foot) to centimeters:
L(cm) = 12 in × 2.54 = 30.48 cm
For reverse conversion (centimeters to inches), use: L(in) = L(cm) ÷ 2.54 (since 1 cm = 0.393701 in, the exact inverse of the in to cm factor).
Explore other length units and their conversion factors, including key in to cm relationships.
Imperial/US length unit
Metric length unit
Small metric unit
Imperial/US unit
Base metric unit
Imperial/US unit
Common inches to centimeters conversions for quick reference — perfect for in to cm calculations.
| Inches (in) | Centimeters (cm) | Calculation (in to cm) |
|---|---|---|
| 1 in | 2.54 cm | 1 × 2.54 = 2.54 |
| 2 in | 5.08 cm | 2 × 2.54 = 5.08 |
| 5 in | 12.7 cm | 5 × 2.54 = 12.7 |
| 8 in | 20.32 cm | 8 × 2.54 = 20.32 |
| 10 in | 25.4 cm | 10 × 2.54 = 25.4 |
| 12 in (1 ft) | 30.48 cm | 12 × 2.54 = 30.48 |
| 24 in (2 ft) | 60.96 cm | 24 × 2.54 = 60.96 |
| 36 in (1 yd) | 91.44 cm | 36 × 2.54 = 91.44 |
| 100 in | 254 cm | 100 × 2.54 = 254 |
Find answers to common questions about converting inches to centimeters (in to cm) and related calculations.
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