Free · no account · runs in your browser
Convert inches to millimeters. Completely free.
1 inch is 25.4 millimeters. Type any value below for the exact answer. It all happens in this tab, with no account and no paid version.
Inches to millimeters converter
1 inch=25.4 millimeters
Formulamillimeters = inches × 25.4
How to convert inches to millimeters
- Type a value, or a question like the one already filled in.
- The result appears as you type, alongside every related unit.
- Copy it.
Length chart
| Inches | Millimeters |
|---|---|
| 1 | 25.4 |
| 2 | 50.8 |
| 5 | 127 |
| 10 | 254 |
| 25 | 635 |
| 50 | 1,270 |
| 100 | 2,540 |
| 1,000 | 25,400 |
Questions
Is this inches to millimeters converter really free?
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
Does anything get sent to a server?
No. It all runs in your browser, so it keeps working once the page has loaded, even offline.
How do I convert inches to millimeters?
Use millimeters = inches × 25.4. 1 inch is 25.4 millimeters. Type any value in the converter above, or a plain question like "5 in in mm".
People also search for
- Convert inches to millimeters
- in to mm
- inches in millimeters
- How many millimeters in a inch
- Inches to millimeters converter
- inches to millimeters calculator
- in to mm chart
Related conversions
Ready when you are.
- Completely free
- Runs in your browser
- No account