Inches to CM Converter
Convert inches to centimeters and back. Useful for screen sizes, paper sizes, and body measurements. Bidirectional with a reference table. Free, no signup.
Interactive Inches to CM Converter
Inches to CM Converter
Free inches to cm converter for screen shoppers, tailors, DIY enthusiasts, and anyone comparing metric and imperial measurements.
How to Use This Inches (in) to Centimeters (cm) Converter
This free online tool converts inches (in) to centimeters (cm) instantly.
Quick Steps
- Enter your value in the From field.
- Select the source unit from the dropdown.
- Select the target unit from the dropdown.
- Read the result — it updates as you type.
Tip: Use the Swap button (↔) to instantly reverse the conversion direction.
Why Convert Inches (in) to Centimeters (cm)?
This converter is useful for TV and monitor shopping, clothing sizes, furniture dimensions, paper size comparison. Whether you are comparing international products, following a foreign recipe, or working on a cross-border project, just enter any value to see the converted result.
Quick Reference Table
| From | To | Roughly equals |
|---|---|---|
| 1 in | 2.54 cm | USB-A width |
| 2 in | 5.08 cm | golf ball diameter |
| 5 in | 12.7 cm | smartphone width |
| 8.5 in | 21.59 cm | US Letter width |
| 11 in | 27.94 cm | iPad screen diagonal |
| 24 in | 60.96 cm | computer monitor |
| 65 in | 165.1 cm | large TV |
All conversions use standard published factors. Results are rounded to 2–4 decimal places for readability.
Tips for Accurate Results
- Check direction: The swap button flips the conversion. in→cm and cm→in give different results.
- Millimetres available: Switch to mm in the tool for fine-precision work like 3D printing.
- Works offline: No server call needed. Everything runs locally in your browser.
How the Conversion Works
The conversion follows this standard formula:
Forward: cm = in × 2.54
Reverse: in = cm ÷ 2.54
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