How to Convert Centimeters into Inches and Inches into Centimeters

Select a ruler that has both Inches and Centimeters. One side of the ruler will be in inches and the other side of the ruler will be centimeters.

In the United States, inch is a standard unit of measurement for length. Centimeter is a basic unit of measurement for length in the metric system.

One inch equals to 2.54 centimeters. One centimeter equals 0.394 inch.

Using basic math, you may convert a measurement recorded in centimeters to inches, and a measurement recorded in inches to centimeters.

Things You'll Need

• Calculator
• Online metric system conversion tool

Instructions

1. Multiply a measurement recorded in inches by 2.54 to get the equivalent in centimeters.

   1 inch = 2.54 centimeters
   1 X 2.54 = 2.54
   5 X 2.54 = 12.70
   7 X 2.54 = 17.78

2. Multiply a measurement recorded in centimeters by 0.394 to get the equivalent in inches.

   1 centimeter = 0.394 inch
   1 X 0.394 = 0.394
   12 x 0.394 = 4.728
   17 X 0.394 = 6.698

3. Use an online conversion tool for rapid and accurate conversions. Among many easy-to-use conversion tools are metric-conversions.org, conversion-metric.org and ConvertUnits.com.

Tips & Warnings

• Rulers with inches on one side and centimeters on the other side are widely available..

References

• metric-conversions.org: cm to Inches (Centimeters to Inches) Conversion
• Conversion--Metric.og: Inch to Centimeter Conversion
• ConvertUnits.com: Convert Units - Measurement Unit Converter