CM to Inches Converter - Instant Length Conversion Tool
📏 Professional CM to Inches Converter
Accurate length conversions with advanced features and instant results
Conversion Formulas
📐 1 inch = 2.54 cm (exact)
📏 1 cm = 0.393701 inches (approximate)
➡️ Centimeters to Inches
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⬅️ Inches to Centimeters
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📊 Common Uses
- 📐 Screen sizes (phones, tablets, monitors)
- 🛠️ DIY and construction projects
- 👕 Clothing and fabric measurements
- 📦 Package and shipping dimensions
- 🖼️ Photo and frame sizes
💡 Quick Tips
- ✨ 1 inch = exactly 2.54 cm
- 🎯 10 cm ≈ 4 inches (3.94")
- 📏 30 cm ≈ 1 foot (11.81")
- 📐 100 cm = 1 meter ≈ 39.37"
- ⚡ Use Tab key to switch fields
🌍 International Standards
- 🇺🇸 US: Primarily uses inches
- 🇪🇺 EU: Uses centimeters/meters
- 🇬🇧 UK: Mixed system
- 🌐 Science: Metric system (cm)
- ✈️ Aviation: Often uses feet/inches
📋 Quick Reference Table
| Centimeters (cm) | Inches (in) | Fractional Inches | Common Use |
|---|---|---|---|
| 1 cm | 0.39" | ~3/8" | Small measurements |
| 2.54 cm | 1.00" | 1" | Exact inch |
| 5 cm | 1.97" | ~2" | Credit card width |
| 10 cm | 3.94" | ~4" | Standard photo width |
| 15 cm | 5.91" | ~6" | Phone length |
| 20 cm | 7.87" | ~8" | Tablet width |
| 25 cm | 9.84" | ~10" | Dinner plate |
| 30 cm | 11.81" | ~12" (1 ft) | Ruler length |
| 50 cm | 19.69" | ~20" | Shoulder width |
| 100 cm | 39.37" | ~39⅜" | 1 meter |
🔢 Understanding the Math
The conversion between centimeters and inches is based on the international agreement where:
- Definition: 1 inch = exactly 2.54 centimeters
- To convert cm to inches: divide by 2.54
- To convert inches to cm: multiply by 2.54
- Accuracy: Our converter uses high precision for accurate results
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