Calculate your 4 Stud Trailer Wheel PCD
Learn how to calculate the PCD (Pitch Circle Diameter) of your 4-stud trailer wheel with this simple method. Measure the distance (a) from the center of one wheel stud [hole] to the center of the opposite wheel stud [hole]. Use this measurement to identify your PCD by referencing the table provided at the bottom of the page. This clear, step-by-step guide ensures accurate results, helping you match your wheel and hub with confidence.
| STUD | (A) MEASUREMENT | PCD |
| 4 | 100mm | 100mm PCD |
| 4 | 101.6mm | 4" PCD |
| 4 | 115mm | 115mm PCD |
| 4 | 130mm | 130mm PCD |
| 4 | 140mm | 140mm PCD |
| 4 | 139.7mm | 5.5" PCD |
Calculate your 5 Stud Trailer Wheel PCD
Learn how to calculate the PCD (Pitch Circle Diameter) of your 5-stud trailer wheel with ease. Measure the distance (a) from the center of one wheel stud [hole] to the center of the neighboring stud [hole]. Once you have the measurement, refer to the table at the bottom of the page to determine your PCD. This straightforward guide ensures accurate results, making it simple to match your wheel and hub correctly.
| STUD | (A) MEASUREMENT | PCD |
| 5 | 65.83mm | 112mm PCD |
| 5 | 82.29mm | 140mm PCD |
| 5 | 97.04mm | 6.5" PCD |