SidewallMath
Tire size comparisons · Updated

Tire size comparisons

Common one-step swaps, each with a verdict.

Each comparison shows the % height change, the true speed at 60 mph and the ride height change, then a verdict: within 3% is a close match, 3 to 5% needs a check, over 5% is a big change.

15 inch wheels

16 inch wheels

17 inch wheels

18 inch wheels

19 inch wheels

20 inch wheels

21 inch wheels

22 inch wheels

Not here? Type any two sizes in the tire size calculator.

FAQ

Which tire size swaps are close matches?

Swaps within about 3% of the original height, a rule of thumb from Discount Tire and 1010tires.

Are these the most common swaps?

They are typical one-step swaps we compiled, not a ranking.

Keep reading

The basicsHow to read a tire sizeSize tablesTire size chartSpeed & gearingBigger tires and your speedometerChartsTire speed rating chart

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