SidewallerTire & wheel calculators

235/65R16 vs 225/75R16

225/75R16 is 4.5% taller (+1.26 in) and 0.39 in narrower than 235/65R16.

Caution
Check before you buy

225/75R16 is 4.5% taller than 235/65R16. It often still fits, but expect a noticeable speedometer error and check clearance at full steering lock.

235/65R16225/75R16Change
Diameter28.03″29.29″+1.26″+4.5%
Width9.25″8.86″−0.39″−4.3%
Sidewall6.01″6.64″+0.63″+10.5%
Circumference88.1″92.0″+4.0″+4.5%
Wheel16″16″Same
Revs per mile720689−31
SideTread
235/65R16225/75R16
Speedometer shows 60 mph62.7mph

Real speed on 225/75R16.

Ground clearance+0.63in

Change in height under the axle.

Width per side−0.20in

On the same wheel, split inboard and outboard.

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235/65R16 or 225/75R16?

Can I use 225/75R16 instead of 235/65R16?

225/75R16 is 4.5% taller than 235/65R16. 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 225/75R16 you are really doing 62.7 mph if the speedometer was set up for 235/65R16. Going the other way, 235/65R16 would make it read 57.4 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.63 in (+16 mm) under the axle.

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