SidewallerTire & wheel calculators

175/70R13 vs 195/50R15

195/50R15 is 0.1% taller (+0.03 in) and 0.79 in wider than 175/70R13.

OK
Close match

195/50R15 is 0.1% taller than 175/70R13. That is inside the ±3% most shops treat as a straight swap.

175/70R13195/50R15Change
Diameter22.65″22.68″+0.03″+0.1%
Width6.89″7.68″+0.79″+11.4%
Sidewall4.82″3.84″−0.98″−20.4%
Circumference71.1″71.2″+0.1″+0.1%
Wheel13″15″+2″
Revs per mile891889−1
SideTread
175/70R13195/50R15
Speedometer shows 60 mph60.1mph

Real speed on 195/50R15.

Ground clearance+0.02in

Change in height under the axle.

Width per side+0.39in

On the same wheel, split inboard and outboard.

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175/70R13 or 195/50R15?

Can I use 195/50R15 instead of 175/70R13?

195/50R15 is 0.1% taller than 175/70R13. 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 195/50R15 you are really doing 60.1 mph if the speedometer was set up for 175/70R13. Going the other way, 175/70R13 would make it read 59.9 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.02 in (+0 mm) under the axle.

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