Wheel and tyre reference charts
Reference charts
The numbers from every fitment guide, one chart per question.
- Lug nut torque chartWheel nut and lug bolt torque specs for 150+ cars in Nm and lb-ft, from BMW and Audi to Toyota, Ford and Honda, with thread sizes.
- Lug nut size chartWheel nut and lug bolt thread sizes by car (M12x1.5, M14x1.5, 1/2-20 and more), with nut or bolt type and bolt pattern for each model.
- Centre bore chartHub centre bore (center bore) sizes by car in mm and inches, with the bolt pattern for each, so you can size hub-centric rings for aftermarket wheels.
- Bolt pattern chartBolt patterns (PCD) for 200+ cars in one chart, with centre bore and thread size. Find your car's lug pattern, such as 5x112, 5x114.3 or 5x120.
- Tyre size chartTyre (tire) size chart with overall diameter in inches and mm, width, sidewall and revs per mile for common sizes from 15 to 22 inch rims.
- Charts by makeEvery model from one make on a single chart.
Explained in our guides
- How to measure a wheel bolt pattern, including five studsMeasure wheel PCD correctly on four, five, six and eight stud patterns, avoid near-match mistakes, and check the other dimensions before a wheel swap.
- Hub-centric vs lug-centric wheels: choosing hub ringsLearn what hub rings do, how to specify their inner and outer diameters, and why centring, wheel seats and vibration need separate checks.
- How to read a tyre size, load index and sidewall markingsDecode tyre width, aspect ratio, rim diameter, load and speed markings, then calculate sidewall height and diameter using a 225/45 R17 example.