Convert Thou to Meters
Convert Thou (th) to Meters (m) instantly and accurately.
Conversion Formula
m = th × 2.540000000e-5
About Thou
A thou (also called mil) is one thousandth of an inch, equal to 0.0254 millimeters or 25.4 micrometers. This unit is commonly used in engineering and manufacturing in countries that use imperial measurements, particularly for specifying tolerances, wire gauges, and thin material thicknesses. For example, a standard plastic bag might be 1-2 thou thick, a sheet of paper is about 4 thou, and precision machined parts often have tolerances measured in thou. Electronic circuit board copper traces are typically 1.4 thou thick.
About Meters
The meter (m) is the fundamental unit of length in the International System of Units (SI) and is used worldwide. Originally defined as one ten-millionth of the distance from the Earth's equator to the North Pole, it's now precisely defined as the distance light travels in a vacuum in 1/299,792,458 of a second. A meter is roughly the height of a kitchen counter, the width of a large door, or one large step for an adult. Most countries use meters for measuring room sizes, building heights, and short distances.
Quick Reference Table
| Thou (th) | Meters (m) |
|---|---|
| 1 th | 2.54 × 10-5 m |
| 2 th | 5.08 × 10-5 m |
| 5 th | 0.000127 m |
| 10 th | 0.000254 m |
| 25 th | 0.000635 m |
| 50 th | 0.00127 m |
| 100 th | 0.00254 m |