SidewallerTire & wheel calculators

225/55R19 vs 275/45R19

275/45R19 is 0.0% taller (0.00 in) and 1.97 in wider than 225/55R19.

OK
Same height

275/45R19 and 225/55R19 are the same overall diameter, so the speedometer stays accurate.

225/55R19275/45R19Change
Diameter28.74″28.74″0.00″0.0%
Width8.86″10.83″+1.97″+22.2%
Sidewall4.87″4.87″0.00″0.0%
Circumference90.3″90.3″0.0″0.0%
Wheel19″19″Same
Revs per mile7027020
SideTread
225/55R19275/45R19
Speedometer shows 60 mph60.0mph

Real speed on 275/45R19.

Ground clearance0.00in

Change in height under the axle.

Width per side+0.98in

On the same wheel, split inboard and outboard.

Shop 275/45R19 tires

Opens the store’s own search

Prices and stock change often, so check a few stores. We don’t earn anything from these links.

225/55R19 or 275/45R19?

Can I use 275/45R19 instead of 225/55R19?

275/45R19 and 225/55R19 are the same overall diameter, so the speedometer stays accurate. 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 275/45R19 you are really doing 60.0 mph if the speedometer was set up for 225/55R19. Going the other way, 225/55R19 would make it read 60.0 mph at a real 60.

How much ground clearance does it change?

Half the diameter difference: 0.00 in (0 mm) under the axle.

Other comparisons