Inch to millimetre converter (in to mm)
1 inch = 25.4 millimetre · 1 millimetre = 0.0393701 inch
inch to millimetre formula
millimetre = inch × 25.4
Worked example
10 inch = 10 × 25.4 = 254 millimetre
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inch to millimetre conversion table
| inch (in) | millimetre (mm) |
|---|---|
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 3 in | 76.2 mm |
| 4 in | 101.6 mm |
| 5 in | 127 mm |
| 6 in | 152.4 mm |
| 7 in | 177.8 mm |
| 8 in | 203.2 mm |
| 9 in | 228.6 mm |
| 10 in | 254 mm |
| 15 in | 381 mm |
| 20 in | 508 mm |
| 25 in | 635 mm |
| 30 in | 762 mm |
| 40 in | 1,016 mm |
| 50 in | 1,270 mm |
| 60 in | 1,524 mm |
| 70 in | 1,778 mm |
| 80 in | 2,032 mm |
| 90 in | 2,286 mm |
| 100 in | 2,540 mm |
| 200 in | 5,080 mm |
| 250 in | 6,350 mm |
| 500 in | 12,700 mm |
| 1,000 in | 25,400 mm |
About these units
- inch (in)
- Exactly 2.54 cm. Used for screen sizes, waistlines and pipes.
FAQ
How many millimetre in 1 inch?
1 inch is 25.4 millimetre.
How many inch in 1 millimetre?
1 millimetre is 0.0393701 inch.
What is the formula to convert inch to millimetre?
millimetre = inch × 25.4. For example, 10 inch = 10 × 25.4 = 254 millimetre.
What is 10 inch in millimetre?
10 inch = 254 millimetre.
Convert inch to other units
inch → centimetreinch → metreinch → kilometreinch → footinch → yardinch → mileinch → nautical mileinch → wa (Thai)inch → sok (Thai)inch → khuep (Thai)inch → sen (Thai)
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