# How many inches is 100 mm?

Inches and mm are units of measurement in the metric system of measurement.

## Answer: 100 mm is 3.93 inches

**Explanation :**

The millimeter is the standard unit of measuring the length and is used often to measure very small lengths.

An inch is an imperial unit of length.

One inch contains 2.54 cms or 25.4 mm.

Thus, 1 inch = 25.4 mm

1 mm = 1/25.4 inches

100 mm = 100/25.4 inches = 3.93 inches

We can also use the metric conversion calculator.

### Thus, in 100 mm there are 3.93 inches.

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