Mil (Thou) to Millimeter Converter

Convert Mil (Thou) to Millimeter instantly — live results with exact conversion factors.

From

0.0254 mm

1 mil (thou) = 0.0254 millimeters. To convert mil to mm, multiply by 0.0254.

Quick Reference Table

Mil (Thou) (mil)	Millimeter (mm)
1	0.0254
2	0.0508
5	0.127
10	0.254
20	0.508
50	1.27
100	2.54
250	6.35
500	12.7
1000	25.4

Formula

Convert Mil (Thou) (mil) to Millimeter (mm) using the relationship:

mm = mil × 0.0254

How to Convert

Take the value in mils (thou) (mil).
Multiply it by 0.0254 (the conversion factor from mil to mm).
The result is the equivalent value in millimeters (mm).
Example: 1 mil = 0.0254 mm.

Reverse Conversion

Need it the other direction? Millimeter to Mil (Thou) conversion.

All Length Conversions

See the full list of Length conversions.

Related Conversions

FAQ

▸ How many millimeters are in 1 mil (thou)?

1 Mil (Thou) equals 0.0254 millimeters. Multiply by 0.0254 to convert mil to mm.

▸ What is the formula to convert mil (thou) to millimeter?

Multiply the value in mils (thou) by 0.0254 to get millimeters. Formula: mm = mil × 0.0254.

▸ How do I convert mils (thou) to millimeters easily?

Enter your value in the converter at the top of this page — the millimeters result updates live as you type. You can also multiply by 0.0254 directly.

Answer