Enter your current tyre size and instantly see other sizes within your chosen rolling diameter tolerances.
Enter your current tyre size
Choose width, aspect ratio, and wheel diameter to generate alternative tyre sizes.
Tick this box to enable the calculation button.
Current size
-
Overall diameter
-
Sidewall height
-
Rolling circumference
-
Alternative tyre sizes
Top sizes within chosen tolerance ordered by closest rolling diameter difference.
0 matches
Compare current and proposed tyre sizes
Enter an existing size and a proposed size to see the exact diameter and speedometer differences and whether the change is within your selected tolerance.
Tick this box to enable the calculation button.
Comparison results
Compare an existing tyre size against a proposed replacement.
-
Compare required wheel sizes
Enter a current tyre size and a proposed tyre size to compare the typical wheel size required for each.
Tick this box to enable the calculation button.
Wheel size comparison
Compare the typical wheel sizes paired with each tyre size.