375/55R20 tire size in inches

375/55R20 tires are 36.2″ tall, have a section width of 14.8″, and fit wheels with a diameter of 20. The circumference is 113.8″ that translates into 557 revolutions per mile. As a rule, they can be mounted on the wheels with 20″ rim width. In the high flotation system, the equivalent tire size is 36.2X14.8R20.

What is 375/55R20 in inches?

Tire Diameter:36.2″
Tire Section Width:14.8″
Rim Width Range:20″
Sidewall Height:8.1″
Circumference:113.8″
Revs/Mile:557

Alternate sizes – Upsizing Wheels or Tires?

What is a 375/55R20 equivalent to?

Check out the chart below to find possible alternatives to the 375/55R20 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
325/60R2035.4″-2.21%12.8″20
343/59/R2036.0″-0.55%13.5″20
394/52/R2036.0″-0.55%15.5″20
292/74/R2037.0″2.21%11.5″20
318/68/R2037.0″2.21%12.5″20
343/63/R2037.0″2.21%13.5″20
368/59/R2037.0″2.21%14.5″20
Upsizing chart

What does 375/55R20 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.
375It means the width of the tire is 375 millimeters
55The tire has an aspect ratio of 55. To put it simple, the sidewall height is 55% of the width, so it would be 8.1″.
RR stands for the Radial, a standard construction method for about 99% of tires.
20The tire is designed to fit 20″ rims that are 20 inches in diameter.

Popular questions about 375/55R20 tire size

How wide is a 375/55R20 tire?

The tires of the given size have a section width of 14.8″ inches.

How tall is a 375/55R20 tire?

The height of the following tire size equals 36.2″ inches.

What rims will fit 375/55R20 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 20″ for 375/55R20 tires.

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