# Inches to mm

Enter the value that you want to convert Inches to mm.

## Inches (in):

It is a measuring unit for length in the imperial system. Normally we determined from the width of the human thumb. Symbolic representation of inch is "in". The inch is equal to 25.4 millimeters according to the metric system by international yard agreement in the year 1959.## Millimeter (mm):

A millimeter is measuring unit of length in a metric system. It measures a very small visible quantity of length. symbolic representation of millimeter is "mm" in SI units. One millimeter is equal to 0.0393700787 inches## Inches to millimeter (in to mm):

It is a free online inch to millimeter (in to mm) height converter. An inch is a measuring unit for length in the imperial system. The millimeter is measuring unit of length in a metric system. One inch is equal to 25.4 millimeters and one millimeter is equal to 0.0393700787 inches according to the metric system by international yard agreement in the year 1959.## How to convert inches to millimeters?

### For converting inches to millimeters we will go with an example.

**Example:** Convert 12 inches to mm?

We know that 1 in = 25.4 mm; 1 mm = 0.0393700787 in.

12 inches = ___ mm.

12x25.4 = 304.8 mm (We know 1 in = 25.4 mm)

**Answer:**

12 inches = 304.8 mm