Tyre size calculator

Equivalent sizes for the 325/30 R21 tyre

Sidewall height 98 mmDiameter 728 mm Circumference 2288 mmRevolutions/km 437

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

20″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
295/35 R20 -1.92 % 98.1 km/h 10,5" – 10" – 11" – 11,5"
305/35 R20 -0.94 % 99.1 km/h 11" – 10" – 10,5" – 11,5" – 12" —
315/35 R20 0 % 100.0 km/h 11" – 10,5" – 11,5" – 12" – 12,5"

21″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
325/30 R21 Your size 0 % 100.0 km/h 11,5" – 11" – 12"
295/35 R21 +1.57 % 101.6 km/h 10,5" – 10" – 11" – 11,5"

22″

Size Difference Actual speed at 100 km/h on the speedometer ETRTO rims Tyres in stock
315/25 R22 -1.67 % 98.3 km/h 11,5" – 11" – 12" —
295/30 R22 +1.01 % 101.0 km/h 10,5" – 10" – 11"

Sizes equivalent to 325/30 R21:

295/35 R20305/35 R20315/35 R20295/35 R21315/25 R22295/30 R22

325/30 R21 tyres in stock

View all 3 325/30 R21 tyres ›

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