Tyre size calculator

Equivalent sizes for the 255/30 R19 tyre

Sidewall height 77 mmDiameter 636 mm Circumference 1997 mmRevolutions/km 501

Approved rim widths according to ETRTO: 9" – 8,5" – 9,5"

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

18″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
285/30 R18 -1.16 % 98.8 km/h 10" – 9,5" – 10,5" —
245/35 R18 -1.08 % 98.9 km/h 8,5" – 8" – 9" – 9,5"
255/35 R18 +0.04 % 100.0 km/h 9" – 8,5" – 9,5" – 10"
225/40 R18 +0.28 % 100.3 km/h 8" – 7,5" – 8,5" – 9"
265/35 R18 +1.12 % 101.1 km/h 9,5" – 9" – 10" – 10,5"
235/40 R18 +1.52 % 101.5 km/h 8,5" – 8" – 9" – 9,5"

19″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
245/30 R19 -0.92 % 99.1 km/h 8,5" – 8" – 9"
255/30 R19 Your size 0 % 100.0 km/h 9" – 8,5" – 9,5"
225/35 R19 +0.72 % 100.7 km/h 8" – 7,5" – 8,5" – 9"
265/30 R19 +0.96 % 101.0 km/h 9,5" – 9" – 10"
235/35 R19 +1.84 % 101.8 km/h 8,5" – 8" – 9" – 9,5"
275/30 R19 +1.92 % 101.9 km/h 9,5" – 9" – 10"

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
265/25 R20 +0.80 % 100.8 km/h — —
225/30 R20 +1.16 % 101.2 km/h 8" —

Sizes equivalent to 255/30 R19:

285/30 R18245/35 R18255/35 R18225/40 R18265/35 R18235/40 R18245/30 R19225/35 R19265/30 R19235/35 R19275/30 R19265/25 R20225/30 R20

255/30 R19 tyres in stock

View all 11 255/30 R19 tyres ›

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