SidewallerTire & wheel calculators

225/50R16 vs 225/55R16

225/55R16 is 3.6% taller (+0.89 in) and the same width than 225/50R16.

Caution
Check before you buy

225/55R16 is 3.6% taller than 225/50R16. It often still fits, but expect a noticeable speedometer error and check clearance at full steering lock.

225/50R16225/55R16Change
Diameter24.86″25.74″+0.89″+3.6%
Width8.86″8.86″0.00″0.0%
Sidewall4.43″4.87″+0.44″+10.0%
Circumference78.1″80.9″+2.8″+3.6%
Wheel16″16″Same
Revs per mile811783−28
SideTread
225/50R16225/55R16
Speedometer shows 60 mph62.1mph

Real speed on 225/55R16.

Ground clearance+0.44in

Change in height under the axle.

Width per side0.00in

On the same wheel, split inboard and outboard.

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225/50R16 or 225/55R16?

Can I use 225/55R16 instead of 225/50R16?

225/55R16 is 3.6% taller than 225/50R16. It often still fits, but expect a noticeable speedometer error and check clearance at full steering lock. 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 225/55R16 you are really doing 62.1 mph if the speedometer was set up for 225/50R16. Going the other way, 225/50R16 would make it read 57.9 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.44 in (+11 mm) under the axle.

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