Inches to Millimeters Converter
Convert inches (in) to millimeters (mm) instantly
Conversion Formula
1 in = 25.4 mmTo convert from inches to millimeters, multiply the value by 25.4.
Inches to Millimeters Table
| 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 |
| 5 in | 127 mm |
| 10 in | 254 mm |
| 15 in | 381 mm |
| 20 in | 508 mm |
| 25 in | 635 mm |
| 50 in | 1,270 mm |
| 100 in | 2,540 mm |
| 250 in | 6,350 mm |
| 500 in | 12,700 mm |
| 1,000 in | 25,400 mm |
Frequently Asked Questions
How many millimeters are in 1 inch?
There are 25.4 millimeters in 1 inch (1 in = 25.4 mm).
How do I convert inches to millimeters?
To convert inches to millimeters, multiply the value in inches by 25.4. The formula is: mm = in ร 25.4.
What is 10 inches in millimeters?
10 inches is equal to 254 millimeters (10 in = 254 mm).
What is 100 inches in millimeters?
100 inches is equal to 2,540 millimeters (100 in = 2,540 mm).
How many inches are in 1 millimeter?
There are 0.0393701 inches in 1 millimeter (1 mm = 0.0393701 in).
About Inches and Millimeters
The inch (in) and the millimeter (mm) are both units of length measurement. Converting between inches and millimeters is a common task in science, engineering, cooking, and everyday life.
Use our free online converter above to quickly and accurately convert any value from inches to millimeters, or check the reference table for common conversions.