SidewallerTire & wheel calculators

195/60R15 vs 225/60R15

225/60R15 is 5.9% taller (+1.42 in) and 1.18 in wider than 195/60R15.

Large
Big change

225/60R15 is 5.9% taller than 195/60R15. Beyond 5% you usually need a lift or leveling kit, a speedometer recalibration and sometimes new gears.

195/60R15225/60R15Change
Diameter24.21″25.63″+1.42″+5.9%
Width7.68″8.86″+1.18″+15.4%
Sidewall4.61″5.31″+0.71″+15.4%
Circumference76.1″80.5″+4.5″+5.9%
Wheel15″15″Same
Revs per mile833787−46
SideTread
195/60R15225/60R15
Speedometer shows 60 mph63.5mph

Real speed on 225/60R15.

Ground clearance+0.71in

Change in height under the axle.

Width per side+0.59in

On the same wheel, split inboard and outboard.

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195/60R15 or 225/60R15?

Can I use 225/60R15 instead of 195/60R15?

225/60R15 is 5.9% taller than 195/60R15. Beyond 5% you usually need a lift or leveling kit, a speedometer recalibration and sometimes new gears. 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 225/60R15 you are really doing 63.5 mph if the speedometer was set up for 195/60R15. Going the other way, 195/60R15 would make it read 56.7 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.71 in (+18 mm) under the axle.

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