Tyre tools.
Each one answers a single question. For a full recommendation, start with your car.
- Tyre size calculatorDecode any size: width, sidewall, diameter, load and speed.
- Tyre size comparisonCompare two sizes and see the speedo error.
- Tyre speed ratingWhat each speed symbol means, and the chart.
- Tyre load indexMaximum load per tyre for every index, and the chart.
- Tyre age calculatorRead the DOT date code and see how old a tyre is.
- Power-to-weight calculatorkW per tonne, hp per tonne and kg per kW.
- P-plate calculatorCheck the 130 kW/t limit against tare mass.
- LAMS checkerIs a motorbike approved for learner and restricted riders?