PCD Calculator

PCD stands for Pitch Centre Diameter. It is the diameter of an imaginary circle going through the centre of all the studs/bolts/holes in your wheel or hub.

Finding out the PCD of your wheel or hub can be difficult, especially if there are an odd number of holes/studs, but it's important to know when fitting aftermarket wheels or spacers.

This calculator can be used to work out your PCD based on an easy measurement. See the diagram for a guide on how to measure, put your information into the fields below, and click the Calculate button.

For other wheel and tyre related calculations, see our Wheel and Tyre Size Calculator, or if you need help feel free to get in touch.

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Definition of Pitch Centre Diameter How to use our calculator to measure a PCD