Centimeter to Inch Converter
無料長さ換算ツール, マイル、キロメートル、フィート、メートル、インチ、ヤードを瞬時に換算
1Centimeter=0.3937007874Inch
1 Inch = 2.54 Centimeter
Centimeter
- Symbol
- cm
- System
- Metric/Imperial
- Dimension
- Various
Inch
- Symbol
- in
- System
- Metric/Imperial
- Dimension
- Various
Quick Reference Table
| Centimeter | Inch | Inch | Centimeter |
|---|---|---|---|
| 1 | 0.3937007874 | 1 | 2.54 |
| 2 | 0.7874015748 | 2 | 5.08 |
| 3 | 1.1811023622 | 3 | 7.62 |
| 5 | 1.968503937 | 5 | 12.7 |
| 10 | 3.937007874 | 10 | 25.4 |
| 25 | 9.842519685 | 25 | 63.5 |
| 50 | 19.6850393701 | 50 | 127 |
| 100 | 39.3700787402 | 100 | 254 |
| 500 | 196.8503937008 | 500 | 1270 |
| 1000 | 393.7007874016 | 1000 | 2540 |
Conversion Formula
Inch = Centimeter × 0.3937007874
Centimeter = Inch × 2.54
Factors are from BIPM SI brochure and NIST SP 811, stored unrounded and computed via a base unit. Reverse factor is 1 ÷ 0.3937007874.
How to convert Centimeter to Inch
Multiply the value in centimeter by 0.3937007874 to get inch. For example, 5 Centimeter = 1.968503937 Inch. All results in the 長さと距離 converter update instantly as you type, so you can see every unit at once without manual math.
Common mistakes
Do not round the factor to 0.39 too early — keep full precision until the final display. For 長さと距離, always verify critical calculations (medicine, engineering) with a second source.
FAQ
- How many Inch in 1 Centimeter?
- 1 Centimeter = 0.3937007874 Inch.
- How many Centimeter in 1 Inch?
- 1 Inch = 2.54 Centimeter.
- What is the source?
- BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.
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