Free tool · Tire reference

Tire speed rating chart

The speed symbol is the letter at the end of a tire's service description — for example the V in 225/45 R17 94V. It's the maximum sustained speed the tire is approved for. This is the complete standard chart.

Speed rating chart

The speed symbol is the maximum sustained speed the tire is approved for.

SymbolMax speed
J100 km/h
K110 km/h
L120 km/h
M130 km/h
N140 km/h
P150 km/h
Q160 km/h
R170 km/h
S180 km/h
T190 km/h
U200 km/h
H210 km/h
V240 km/h
W270 km/h
Y300 km/h
Sizing follows the ISO/ETRTO standard marking. The load and speed index tables are the public industry standard, identical across all manufacturers.
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AS
Reviewed by Artyom SemenovAutomotive Editor · Fact-checked by Yauheni Kapliarchuk, Editor-in-Chief
Geometry per the ISO/ETRTO standard marking; load and speed index tables are the public industry standard
Last verified: 11 Jul 2026 · Our methodology