How to Convert Inches to Metric Measure

The inch is a measurement of distance in the American system. However, most other countries use the metric system which uses other units, including millimeters, centimeters, meters and kilometers, to represent distance. The conversion factor between inches and metric units depends on the metric prefix. Once you know the conversion factor, changing inches to a metric unit is no problem.

Instructions

1

Multiply the number of inches by 25.4 to convert to millimeters. For example, if you have 30 inches, multiply 30 by 25.4 to get 762 mm.

2

Multiply the number of inches by 2.54 to convert to centimeters. For example, if you have 30 inches, multiply 30 by 2.54 to get 76.2 cm.

3

Multiply the number of inches by 0.0254 to convert to meters. For example, if you have 30 inches, multiply 30 by 0.0254 to get 0.762 meters.

4

Multiply the number of inches by 0.0000254 to convert to kilometers. For example, if you have 30 inches, multiply 30 by 0.0000254 to get 0.000762 km.