Millimetres to Inches

One millimetre is 0.03937008 inches. Metric and imperial distance units. The inch has been defined as exactly 2.54 cm since 1959, so every conversion on this page is exact rather than approximate.

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From

To0.03937008

1 millimetre = 0.03937008 inches · open this conversion

Formula

inches = millimetres × 0.0393700787

Millimetres to Inches table

Millimetres	Inches
1 mm	0.03937008 in
2 mm	0.07874016 in
3 mm	0.1181102 in
4 mm	0.1574803 in
5 mm	0.1968504 in
6 mm	0.2362205 in
8 mm	0.3149606 in
10 mm	0.3937008 in
12 mm	0.4724409 in
15 mm	0.5905512 in
18 mm	0.7086614 in
20 mm	0.7874016 in
24 mm	0.9448819 in
30 mm	1.181102 in
36 mm	1.417323 in
40 mm	1.574803 in
50 mm	1.968504 in
60 mm	2.362205 in
72 mm	2.834646 in
100 mm	3.937008 in

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Other length conversions

⇄ Inches to Millimetres Millimetres to Centimetres Millimetres to Metres Millimetres to Kilometres Millimetres to Feet Millimetres to Yards Millimetres to Miles

Frequently asked questions

▸How many inches are in a millimetre?

One millimetre is 0.03937008 inches. inches = millimetres × 0.0393700787.

▸How do I convert millimetres to inches?

Multiply the number of millimetres by 0.0393700787. For example, 10 mm × 0.0393700787 = 0.3937008 in.

▸What is the difference between millimetres and inches?

Millimetre (mm) and Inch (in) both measure length. Metric and imperial distance units. The inch has been defined as exactly 2.54 cm since 1959, so every conversion on this page is exact rather than approximate.

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