Thou to Millimeter Converter
1 th = 0.025400 mm
FORMULA
1 th = 0.025400 mm
CONVERSION TABLE
| Thou (th) | Millimeter (mm) |
|---|---|
| 1 th | 0.0254 mm |
| 5 th | 0.127 mm |
| 10 th | 0.254 mm |
| 25 th | 0.635 mm |
| 50 th | 1.27 mm |
| 100 th | 2.54 mm |
| 250 th | 6.35 mm |
| 500 th | 12.7 mm |
| 1,000 th | 25.4 mm |
COMMON VALUES
RELATED CONVERSIONS
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.
About Millimeter (mm)
At one thousandth of a meter, the millimeter provides the precision needed in mechanical engineering, machining tolerances, and rainfall measurement. Bolts, bearings, and smartphone thickness are all specified in millimeters, and weather stations report precipitation depth in mm accumulated over a given period.
How to Convert Thou to Millimeter
The conversion formula is: 1 th = 0.025400 mm. To convert from Thou (th) to Millimeter (mm), use the formula above or the interactive converter at the top of this page.
FAQ
How many Millimeter in 1 Thou?
1 Thou (th) equals 0.025400 Millimeter (mm).
How to convert Thou to Millimeter?
Multiply the Thou value by 0.025400 to get the equivalent in Millimeter. Formula: 1 th = 0.025400 mm
What is the formula for Thou to Millimeter conversion?
1 th = 0.025400 mm
Glossary
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Meter
The SI base unit of length, defined as the distance light travels in 1/299,792,458 of a second.
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Mile
An imperial unit of length equal to 5,280 feet, 1,760 yards, or exactly 1.609344 kilometers.
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Foot
An imperial unit of length equal to 12 inches or exactly 0.3048 meters, subdivided into 12 inches.
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Inch
An imperial unit of length defined as exactly 2.54 centimeters or 1/12 of a foot.
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Kilometer
A metric unit of length equal to 1,000 meters or approximately 0.621371 miles.