Thou

th

One thousandth of an inch (mil)

About Thou (th)

One thousandth of an inch (25.4 micrometers), the thou -- also called a mil in North America -- is used in precision engineering, wire gauge measurement, and plastic film thickness. Circuit board copper foil, paint coatings, and automotive clearances are commonly specified in thou for sub-millimeter precision in imperial contexts.

Category
Length
Symbol
th
Also known as
mil mils thousandth of an inch
01

CONVERT TO

Meter m Kilometer km Centimeter cm Millimeter mm Micrometer µm Nanometer nm Mile mi Yard yd Foot ft Inch in Nautical Mile nmi Light-year ly Fathom ftm Furlong fur Chain ch Rod rd League lea Parsec pc Astronomical Unit au

Frequently Asked Questions

What is a Thou (th)?

One thousandth of an inch (mil)

How many Meter (m) are in one Thou (th)?

One Thou (th) equals 0.0000254 Meter (m).

How many Kilometer (km) are in one Thou (th)?

One Thou (th) equals 2.54 × 10⁻⁸ Kilometer (km).

How many Centimeter (cm) are in one Thou (th)?

One Thou (th) equals 0.00254 Centimeter (cm).

How do I convert Thou to Meter?

To convert Thou to Meter, multiply the value by 0.0000254 (1 th = 0.0000254 m).