A measurement in inches can be converted to meters by multiplying it by 0.0254. There are approximately 40 inches in one meter. Inches are also commonly converted to millimeters, which can be done by multiplying by 25.4, since there are 25.4 millimeters in an inch.
The unit inches is one of the standard length units in the imperial measurement system. It is closely related to feet and yards. There are 12 inches in one foot, and 3 feet, or 36 inches, per yard. The meter is the primary unit for measuring length in the metric system. A distance in meters can easily be converted to centimeters or kilometers.