Tyre Size Decoder
Breaks the numbers on a tyre wall into section width, aspect ratio, wheel diameter and overall rolling diameter — plus the ±3% diameter check you need before fitting a different size.
Calculators
- Vehicle document renewal tracker
- Pre-road-trip vehicle checklist
- Used-car listing generator
- Parking location note generator
- Car service request generator
- Road trip itinerary planner
- Used-car comparison worksheet
- Car emergency kit checklist
- Rental car return checklist
- Rental car pickup checklist
- Used-car test-drive checklist
- Car accident documentation checklist
- Vehicle breakdown contact card generator
- Tyre DOT date code decoder
- Tyre maintenance log
- Tyre calculator
- Fuel cost calculator
- Fuel range calculator
- Tyre pressure converter
- Mileage pace calculator
- Travel time calculator
- Fuel economy converter
- Tyre replacement mileage calculator
- Tyre safety checklist