Convert Thou to Millimeter
Type the number of thou that you wish to convert to millimeters.
How to Convert Thou to Millimeters
The thou and millimeter are both units of length. 1 millimeter equals 39.37007874 thou. This means to convert thou to millimeters, you divide by 39.37007874.
Formula
Step-by-Step Example
Convert 5 thou to millimeters:
We need to convert thou to millimeters
Since 1 mm = 39.37007874 thou, divide by 39.37007874
5 ÷ 39.37007874 = 0.127
5 thou = 0.127 mm
Thou to Millimeter Conversion Table
Quick reference table for common thou to millimeter conversions. Click any value for detailed calculation.
| Thou (thou) | Millimeters (mm) |
|---|---|
| 1 thou | 0.0254 mm |
| 2 thou | 0.0508 mm |
| 5 thou | 0.127 mm |
| 10 thou | 0.254 mm |
| 15 thou | 0.381 mm |
| 20 thou | 0.508 mm |
| 25 thou | 0.635 mm |
| 50 thou | 1.27 mm |
| 100 thou | 2.54 mm |
About These Units
Thou (thou)
A thou, also called mil, is an imperial unit equal to 1/1000 inch or 0.0254 millimeters. Thou measurements are used in manufacturing, engineering, and specifying material thickness (plastic films, paper, wire diameter). One inch equals 1,000 thou.
Millimeter (mm)
A millimeter (mm) is a metric unit of length equal to 1/1000 of a meter or 0.03937 inches. Millimeters are essential for precision measurements in engineering, manufacturing, medical imaging, and rainfall measurements. There are 25.4 mm in one inch.
Frequently Asked Questions
How do I convert thou to millimeters?
To convert thou to millimeters, divide the value by 39.37007874. For example, 10 thou = 0.254 mm.
How many millimeters are in 1 thou?
1 thou equals 0.0254 millimeters.
What is the formula for thou to millimeters?
The formula is: mm = thou ÷ 39.37007874.