SidewallerTire & wheel calculators

225/60R15 vs 205/60R16

205/60R16 is 0.2% taller (+0.06 in) and 0.79 in narrower than 225/60R15.

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Close match

205/60R16 is 0.2% taller than 225/60R15. That is inside the ±3% most shops treat as a straight swap.

225/60R15205/60R16Change
Diameter25.63″25.69″+0.06″+0.2%
Width8.86″8.07″−0.79″−8.9%
Sidewall5.31″4.84″−0.47″−8.9%
Circumference80.5″80.7″+0.2″+0.2%
Wheel15″16″+1″
Revs per mile787785−2
SideTread
225/60R15205/60R16
Speedometer shows 60 mph60.1mph

Real speed on 205/60R16.

Ground clearance+0.03in

Change in height under the axle.

Width per side−0.39in

On the same wheel, split inboard and outboard.

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225/60R15 or 205/60R16?

Can I use 205/60R16 instead of 225/60R15?

205/60R16 is 0.2% taller than 225/60R15. 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 205/60R16 you are really doing 60.1 mph if the speedometer was set up for 225/60R15. Going the other way, 225/60R15 would make it read 59.9 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.03 in (+1 mm) under the axle.

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