SidewallerTire & wheel calculators

245/70R16 vs 245/75R16

245/75R16 is 3.3% taller (+0.96 in) and the same width than 245/70R16.

Caution
Check before you buy

245/75R16 is 3.3% taller than 245/70R16. It often still fits, but expect a noticeable speedometer error and check clearance at full steering lock.

245/70R16245/75R16Change
Diameter29.50″30.47″+0.96″+3.3%
Width9.65″9.65″0.00″0.0%
Sidewall6.75″7.23″+0.48″+7.1%
Circumference92.7″95.7″+3.0″+3.3%
Wheel16″16″Same
Revs per mile684662−22
SideTread
245/70R16245/75R16
Speedometer shows 60 mph62.0mph

Real speed on 245/75R16.

Ground clearance+0.48in

Change in height under the axle.

Width per side0.00in

On the same wheel, split inboard and outboard.

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245/70R16 or 245/75R16?

Can I use 245/75R16 instead of 245/70R16?

245/75R16 is 3.3% taller than 245/70R16. 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 245/75R16 you are really doing 62.0 mph if the speedometer was set up for 245/70R16. Going the other way, 245/70R16 would make it read 58.1 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: +0.48 in (+12 mm) under the axle.

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