Tyre size calculator

Equivalent sizes for the 325/30 R19 tyre

Sidewall height 98 mmDiameter 678 mm Circumference 2129 mmRevolutions/km 470

Approved rim widths according to ETRTO: 11,5" – 11" – 12"

To be approved, a tyre's diameter may differ by no more than 2 %. The vehicle's load and speed indices must also be respected.

Tyre size equivalents

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
305/30 R19 -1.80 % 98.2 km/h 11" – 10,5" – 11,5"
325/30 R19 Your size 0 % 100.0 km/h 11,5" – 11" – 12" —
295/35 R19 +1.69 % 101.7 km/h 10,5" – 10" – 11" – 11,5"

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
345/25 R20 +0.41 % 100.4 km/h 12,5" – 12" – 13" —
295/30 R20 +1.09 % 101.1 km/h 10,5" – 10" – 11"
305/30 R20 +1.95 % 102.0 km/h 11" – 10,5" – 11,5"

Sizes equivalent to 325/30 R19:

305/30 R19295/35 R19345/25 R20295/30 R20305/30 R20

This information is provided for guidance only and does not engage Rupteur's liability in any way.