INCH to MILLIMETER converter
Precise unit converter
Units used
| FULL UNIT NAME | inch | millimeter |
|---|---|---|
| ABBREVIATION / SYMBOL | in | mm |
How can you convert 1 inch to millimeters?
How many millimeters are in one inch?
You can find out the answer in one of two ways:
There are 25.4 millimeters in a inch. Thus, we must multiply the number of inches (1) by 25.4 to get millimeters.
- use our calculator above for maximum accuracy or
- use the following equation:
There are 25.4 millimeters in a inch. Thus, we must multiply the number of inches (1) by 25.4 to get millimeters.
Conversion table between inches and millimeters near 1 in:
Alternative spelling
one inch to millimeters, 1 inch to millimeters, 1 in to mm, 1in to millimeters, 1 inch in millimeters, 1 in in mm, 1in in millimeters.