SidewallerTire & wheel calculators

215/75R15 vs 215/70R16

215/70R16 is 0.6% taller (+0.15 in) and the same width than 215/75R15.

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Close match

215/70R16 is 0.6% taller than 215/75R15. That is inside the ±3% most shops treat as a straight swap.

215/75R15215/70R16Change
Diameter27.70″27.85″+0.15″+0.6%
Width8.46″8.46″0.00″0.0%
Sidewall6.35″5.93″−0.42″−6.7%
Circumference87.0″87.5″+0.5″+0.6%
Wheel15″16″+1″
Revs per mile728724−4
SideTread
215/75R15215/70R16
Speedometer shows 60 mph60.3mph

Real speed on 215/70R16.

Ground clearance+0.08in

Change in height under the axle.

Width per side0.00in

On the same wheel, split inboard and outboard.

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215/75R15 or 215/70R16?

Can I use 215/70R16 instead of 215/75R15?

215/70R16 is 0.6% taller than 215/75R15. 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 215/70R16 you are really doing 60.3 mph if the speedometer was set up for 215/75R15. Going the other way, 215/75R15 would make it read 59.7 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.08 in (+2 mm) under the axle.

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