Fast & Free Online Unit Conversion Calculator
← Back to all converters| Centimeter [cm] | Inch [in] |
|---|---|
| 1 cm | 0.393701 in |
| 5 cm | 1.968505 in |
| 10 cm | 3.937008 in |
| 20 cm | 7.874016 in |
| 50 cm | 19.685039 in |
| 100 cm | 39.370079 in |
| Inch [in] | Centimeter [cm] |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 6 in | 15.24 cm |
| 12 in | 30.48 cm |
| 36 in | 91.44 cm |
The centimeter was introduced as part of the metric system during the French Revolution in 1795. It was defined as one hundredth of a meter, which was originally based on the distance from the Earth's equator to the North Pole. The centimeter became widely adopted throughout Europe and eventually most of the world, providing a standardized unit of measurement.
To Inches:
1 cm = 0.393701 inches
Formula: inches = cm × 0.393701
To Meters:
1 cm = 0.01 meters
Formula: meters = cm ÷ 100
To Millimeters:
1 cm = 10 millimeters
Formula: mm = cm × 10
To Feet:
1 cm = 0.0328084 feet
Formula: feet = cm × 0.0328084
The centimeter is the primary unit of length measurement in most countries worldwide, including:
Notable exceptions include the United States, Liberia, and Myanmar, which primarily use the imperial system but often include metric measurements alongside imperial units.
The inch has a rich history dating back to ancient times. Originally defined as the width of a man's thumb, it was standardized in the British Imperial System. The modern inch is exactly 25.4 millimeters, a definition that was established in 1959 through an international agreement between English-speaking nations.
To Centimeters:
1 inch = 2.54 centimeters
Formula: cm = inches × 2.54
To Feet:
1 inch = 0.0833333 feet
Formula: feet = inches ÷ 12
To Yards:
1 inch = 0.0277778 yards
Formula: yards = inches ÷ 36
To Millimeters:
1 inch = 25.4 millimeters
Formula: mm = inches × 25.4
The inch is widely used in several industries and applications:
While most countries have adopted the metric system, the inch remains the primary unit of measurement in the United States for many everyday applications, particularly in construction, manufacturing, and consumer products.