How to Measure PCD

PCD stands for pitch circle diameter and is the diameter of a circle that passes through the centers of all the wheel studs. It is an important measurement to know when choosing new wheels or tires, as it ensures that the wheels will fit properly on the car.

How to Measure PCD 5 Stud

To measure the PCD of a 5-stud wheel, you will need a ruler and a calculator.

  • Measure the PCD Stud Distance: Place the ruler across two adjacent studs and measure the distance between the centers of the studs.

Measure the PCD Stud Distance

  • Calculate PCD: Multiply the distance you measured by 1.7012. This will give you the PCD of the wheel in millimeters.

Calculate PCD

Here is an example:

You measure the distance between the centers of two adjacent studs on a 5-stud wheel to be 114.3 millimeters.

Multiplying 114.3 by 1.7012 gives you a PCD of 195 millimeters.

Tips for measuring PCD:

  • Make sure that the wheel is clean and dry before you measure.
  • Use a ruler that is accurate to within a millimeter.
  • Measure the distance between the centers of the studs, not the outside edges of the studs.
  • If you are unsure of how to measure PCD, you can consult with a qualified mechanic or wheel shop.

Other relevant keywords:

  • wheel PCD
  • PCD measurement
  • bolt circle diameter
  • pitch circle diameter
  • wheel offset measurement
  • wheel size measurement

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Here are some FAQs:

What is the difference between PCD and offset?

PCD is the diameter of a circle that passes through the centers of all the wheel studs. Offset is the distance between the centerline of the wheel and the mounting surface of the wheel.

Why is it important to know the PCD of my wheels?

It is important to know the PCD of your wheels when choosing new wheels or tires, as it ensures that the wheels will fit properly on your car. If the PCD of your new wheels is not the same as the PCD of your existing wheels, you will need to purchase new wheel studs.

How can I find the PCD of my car?

The PCD of your car can be found in the owner’s manual or on the wheel itself. If you cannot find the PCD of your car in the owner’s manual or on the wheel, you can consult with a qualified mechanic or wheel shop.

What if I make a mistake when measuring PCD?

If you make a mistake when measuring PCD, you may end up purchasing new wheels that do not fit your car. It is important to be careful when measuring PCD and to use a ruler that is accurate to within a millimeter.

What are the consequences of using wheels with the wrong PCD?

Using wheels with the wrong PCD can cause a number of problems, including:

* The wheels may not fit properly on the car.
* The wheels may rub against other parts of the car, such as the brakes or suspension.
* The wheels may be unstable and could cause a crash.

If you are unsure of the PCD of your car or of how to measure PCD, it is best to consult with a qualified mechanic or wheel shop.

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