Centimeter to Inch Converter
Conversion Formula
Factor
Formula
About Centimeter
The centimeter is a unit of length equal to one-hundredth of a meter. It is commonly used for everyday measurements.
Facts About Centimeters
- 1 centimeter = 0.01 meters
- 1 centimeter = 10 millimeters
- 1 centimeter ≈ 0.393701 inches
- 100 centimeters = 1 meter
Common Uses
- Measuring body height
- Clothing sizes
- Small object dimensions
- Rainfall measurements
- Medical measurements
History
The centimeter was introduced as part of the metric system in 1795 during the French Revolution. The prefix "centi-" comes from the Latin word "centum," meaning one hundred. The centimeter became widely used as a practical unit for everyday measurements, especially for human height and small objects.
The centimeter was also the base unit of length in the centimeter-gram-second (CGS) system of units, which was widely used in scientific work before the adoption of the International System of Units (SI).
About Inch
The inch is a unit of length in the imperial and US customary systems. It is defined as exactly 2.54 centimeters.
Facts About Inches
- 1 inch = 2.54 centimeters
- 1 inch = 25.4 millimeters
- 12 inches = 1 foot
- 36 inches = 1 yard
Common Uses
- Screen sizes (TVs, monitors, phones)
- Tire and wheel sizes
- Construction lumber (2x4, etc.)
- Paper sizes (US Letter = 8.5 x 11 inches)
- Rainfall measurements in the US
History
The inch has been used since ancient times. The word "inch" derives from the Latin word "uncia," meaning "one-twelfth," which was also the name of a Roman unit. The inch was originally defined as the width of a man's thumb at the base of the nail.
In 1959, the international yard and pound agreement defined the inch as exactly 25.4 millimeters (2.54 centimeters), establishing a standard conversion between imperial and metric systems. This definition is now used universally in the United States, United Kingdom, Canada, Australia, New Zealand, and South Africa.
Conversion Table
Centimeter(cm) | Inch(in) |
|---|---|
1 | 0.393701 |
2 | 0.787402 |
3 | 1.1811 |
4 | 1.5748 |
5 | 1.9685 |
6 | 2.3622 |
7 | 2.75591 |
8 | 3.14961 |
9 | 3.54331 |
10 | 3.93701 |
Conversion Examples
Convert 1 Centimeter to Inch
- Conversion Factor: 1 cm = 0.393701 in
- Conversion Formula: in = cm ÷ 2.54
- Calculation: 1 cm ÷ 2.54 = 0.393701 in
Convert 10 Centimeter to Inch
- Conversion Factor: 1 cm = 0.393701 in
- Conversion Formula: in = cm ÷ 2.54
- Calculation: 10 cm ÷ 2.54 = 3.93701 in
Convert 100 Centimeter to Inch
- Conversion Factor: 1 cm = 0.393701 in
- Conversion Formula: in = cm ÷ 2.54
- Calculation: 100 cm ÷ 2.54 = 39.3701 in
Convert 1,000 Centimeter to Inch
- Conversion Factor: 1 cm = 0.393701 in
- Conversion Formula: in = cm ÷ 2.54
- Calculation: 1,000 cm ÷ 2.54 = 393.701 in