SidewallerTire & wheel calculators

225/55R19 vs 265/50R19

265/50R19 is 2.4% taller (+0.69 in) and 1.57 in wider than 225/55R19.

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265/50R19 is 2.4% taller than 225/55R19. That is inside the ±3% most shops treat as a straight swap.

225/55R19265/50R19Change
Diameter28.74″29.43″+0.69″+2.4%
Width8.86″10.43″+1.57″+17.8%
Sidewall4.87″5.22″+0.34″+7.1%
Circumference90.3″92.5″+2.2″+2.4%
Wheel19″19″Same
Revs per mile702685−16
SideTread
225/55R19265/50R19
Speedometer shows 60 mph61.4mph

Real speed on 265/50R19.

Ground clearance+0.34in

Change in height under the axle.

Width per side+0.79in

On the same wheel, split inboard and outboard.

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225/55R19 or 265/50R19?

Can I use 265/50R19 instead of 225/55R19?

265/50R19 is 2.4% taller than 225/55R19. That is inside the ±3% most shops treat as a straight swap. Also match or beat the original load index and speed rating, and check that the wheel width suits the new tire.

Will my speedometer be off?

At an indicated 60 mph on 265/50R19 you are really doing 61.4 mph if the speedometer was set up for 225/55R19. Going the other way, 225/55R19 would make it read 58.6 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.34 in (+9 mm) under the axle.

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