inch to millimetre

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

inch
millimetre
1 in = 25.4mm

환산표

inch에서 millimetre까지 10개 샘플 값. 임의의 값에는 위쪽 환산기를 사용하세요.

inch (in)→millimetre (mm)
0.001 in → 0.0254 mm
0.01 in → 0.254 mm
0.1 in → 2.54 mm
0.5 in → 12.7 mm
1 in → 25.4 mm
2 in → 50.8 mm
5 in → 127 mm
10 in → 254 mm
100 in → 2,540 mm
1,000 in → 25,400 mm

inch 소개

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

millimetre 소개

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

How inch to millimetre conversion works

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

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

Reference value1 in = 25.4 mm
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.

자주 묻는 질문

Frequently Asked Questions

How do I convert inch to millimetre?

Multiply the inch value by 25.4 to get it in millimetre. For example, 10 in = 254 mm.

What is 1 in in mm?

1 in = 25.4 mm.

What is 100 in in mm?

100 in = 2,540 mm.

What is the formula?

Linear: multiply by 25.4 (the unit factor ratio).

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