255/45R19 tire size in inches

255/45R19 tires are 28.0″ tall, have a section width of 10.0″, and fit wheels with a diameter of 19. The circumference is 88.0″ that translates into 720 revolutions per mile. As a rule, they can be mounted on the wheels with 19″ x 8-9.5″ rim width. In the high flotation system, the equivalent tire size is 28x10R19.

What is 255/45R19 in inches?

Tire Diameter:28.0″
Tire Section Width:10.0″
Rim Width Range:19″ x 8-9.5″
Sidewall Height:4.5″
Circumference:88.0″
Revs/Mile:720

Alternate sizes – Upsizing Wheels or Tires?

What is a 255/45R19 equivalent to?

Check out the chart below to find possible alternatives to the 255/45R19 tire size staying within the 3%-range of the tire diameter, allowing to choose wider wheels or tires with smaller sidewalls. A good rule of thumb is to avoid decreasing the diameter of the wheel. If you are not sure about the custom sizes, consult the experts or stick to the factory tire size.

Tire sizeDiameterDifferenceWidthWheel size
155/70R1927.5″-1.79%6.1″19
175/60R1927.3″-2.5%6.9″19
235/45R1927.3″-2.5%9.3″19
245/45R1927.7″-1.07%9.6″19
265/40R1927.3″-2.5%10.4″19
275/40R1927.7″-1.07%10.8″19
305/35R1927.4″-2.14%12.0″19
315/35R1927.7″-1.07%12.4″19
355/30R1927.4″-2.14%14.0″19
155/80R1928.8″2.86%6.1″19
225/55R1928.7″2.5%8.9″19
235/50R1928.3″1.07%9.3″19
245/50R1928.6″2.14%9.6″19
265/45R1928.4″1.43%10.4″19
275/45R1928.7″2.5%10.8″19
285/40R1928.0″0%11.2″19
295/40R1928.3″1.07%11.6″19
345/35R1928.5″1.79%13.6″19
Upsizing chart

What does 255/45R19 mean?

Trying to decode the size of the tires? Scroll down the page to learn what all these numbers on the sidewall stand for.

P or LTThe first letter in the string denotes the class. P stands for passenger vehicles, LT is intended for light trucks carrying heavy loads.
255It means the width of the tire is 255 millimeters
45The tire has an aspect ratio of 45. To put it simple, the sidewall height is 45% of the width, so it would be 4.5″.
RR stands for the Radial, a standard construction method for about 99% of tires.
19The tire is designed to fit 19″ x 8-9.5″ rims that are 19 inches in diameter.

Popular questions about 255/45R19 tire size

How wide is a 255/45R19 tire?

The tires of the given size have a section width of 10.0″ inches.

How tall is a 255/45R19 tire?

The height of the following tire size equals 28.0″ inches.

What rims will fit 255/45R19 tires?

For each tire size, often there are several wheel sizes. You can’t put very wide tires on narrow rims or vise versa. You need the rim size of 19″ x 8-9.5″ for 255/45R19 tires.

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