Screw Pitch (TPI)
Calculate Screw Pitch (TPI) instantly with the exact formula and a worked example.
Screw Pitch (TPI)
Threads per inch (TPI)
Step
1.27mm
TPI
20
Pitch, mm
1,27
Pitch, in
0,05
More about: Screw Pitch (TPI)
What it calculates
The “Screw Pitch (TPI)” calculator computes Step in mm from 1 parameter: threads per inch (tpi).
A converter between units of measure, currencies, and sizes.
Example calculation
With parameters Threads per inch (TPI) = 20 the result is 1.27 mm.
How to use
- Enter threads per inch (tpi) — each field above is adjustable with a slider.
- Step (mm) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Screw Pitch (TPI) calculated?
The Screw Pitch (TPI) calculator computes Step (in mm) from threads per inch (tpi). Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Screw Pitch (TPI) calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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