millimetre to inch

Live millimetre (mm) to inch (in) converter. Plus a 10-value reference table and FAQs.

millimetre
inch
1 mm = 0.0394in

換算表

millimetreからinchまでの 10 個のサンプル値。任意の値には上の換算器をお使いください。

millimetre (mm)→inch (in)
0.001 mm → 3.9370e-5 in
0.01 mm → 0.000394 in
0.1 mm → 0.003937 in
0.5 mm → 0.019685 in
1 mm → 0.03937 in
2 mm → 0.07874 in
5 mm → 0.19685 in
10 mm → 0.393701 in
100 mm → 3.937008 in
1,000 mm → 39.370079 in

millimetreについて

1/1000 of a metre. Standard for small machined parts and rainfall.

inchについて

1/12 of a foot or 25.4 mm. Screen sizes, paper, US fastener sizes.

How millimetre to inch conversion works

Both units belong to Length. Unitbox first expresses the input in the category reference unit (m), then expresses that same quantity in inch.

Common uses include plans, dimensions, travel distances, screens, and manufacturing specifications.

Reference value1 mm = 0.03937008 in
CalculationBrowser-side, using Unitbox's shared unit data
Review noteFor safety-critical work, verify against the governing standard or instrument manual.

Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.

よくある質問

Frequently Asked Questions

How do I convert millimetre to inch?

Multiply the millimetre value by 0.03937 to get it in inch. For example, 10 mm = 0.3937 in.

What is 1 mm in in?

1 mm = 0.03937 in.

What is 100 mm in in?

100 mm = 3.937 in.

What is the formula?

Linear: multiply by 0.03937 (the unit factor ratio).

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