Free online inches to millimeters converter, type a value and get the result instantly. No signup, works offline in your browser.
All calculations run locally in your browser, nothing is uploaded.
Tip: to go the other way, divide by the factor, or use the millimeters to inches converter.
| inches (in) | millimeters (mm) |
|---|---|
| 0.1 in | 2.54 mm |
| 0.25 in | 6.35 mm |
| 0.5 in | 12.7 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 |
| 8 in | 203.2 mm |
| 10 in | 254 mm |
| 15 in | 381 mm |
| 20 in | 508 mm |
| 25 in | 635 mm |
| 30 in | 762 mm |
| 40 in | 1016 mm |
| 50 in | 1270 mm |
| 60 in | 1524 mm |
| 75 in | 1905 mm |
| 100 in | 2540 mm |
| 120 in | 3048 mm |
| 122 in | 3098.8 mm |
| 146 in | 3708.4 mm |
| 150 in | 3810 mm |
| 190 in | 4826 mm |
| 200 in | 5080 mm |
| 250 in | 6350 mm |
| 300 in | 7620 mm |
| 400 in | 10160 mm |
| 500 in | 12700 mm |
| 600 in | 15240 mm |
| 750 in | 19050 mm |
| 800 in | 20320 mm |
| 1000 in | 25400 mm |
| 1500 in | 38100 mm |
| 1810 in | 45974 mm |
| 1930 in | 49022 mm |
| 2000 in | 50800 mm |
| 2500 in | 63500 mm |
| 3000 in | 76200 mm |
| 4000 in | 101600 mm |
| 5000 in | 127000 mm |
| 7500 in | 190500 mm |
| 10000 in | 254000 mm |
| 10500 in | 266700 mm |
Type a value in inches in the converter above, the equivalent in millimeters is calculated instantly. 1 in equals 25.4 mm.
Multiply the value in inches by 25.4 to get the value in millimeters.
There are 25.4 millimeters in 1 in.
Divide the value in millimeters by 25.4, or use the swap button (⇄) in the converter above.
in is the standard abbreviation for inches. E.g. 1 in = 25.4 mm.
mm is the standard abbreviation for millimeters.