305/40R22 tires are 31.6″ tall, have a section width of 12.0″, and fit wheels with a diameter of 22. The circumference is 99.2″ that translates into 638 revolutions per mile. As a rule, they can be mounted on the wheels with 22″ x 10-12″ rim width. In the high flotation system, the equivalent tire size is 31.6x12R22.
What is 305/40R22 in inches?
|Tire Section Width:||12.0″|
|Rim Width Range:||22″ x 10-12″|
Alternate sizes – Upsizing Wheels or Tires?
What is a 305/40R22 equivalent to?
Check out the chart below to find possible alternatives to the 305/40R22 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 size||Diameter||Difference||Width||Wheel size|
What does 305/40R22 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 LT||The first letter in the string denotes the class. P stands for passenger vehicles, LT is intended for light trucks carrying heavy loads.|
|305||It means the width of the tire is 305 millimeters|
|40||The tire has an aspect ratio of 40. To put it simple, the sidewall height is 40% of the width, so it would be 4.8″.|
|R||R stands for the Radial, a standard construction method for about 99% of tires.|
|22||The tire is designed to fit 22″ x 10-12″ rims that are 22 inches in diameter.|
Popular questions about 305/40R22 tire size
How wide is a 305/40R22 tire?
The tires of the given size have a section width of 12.0″ inches.
How tall is a 305/40R22 tire?
The height of the following tire size equals 31.6″ inches.
What rims will fit 305/40R22 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 22″ x 10-12″ for 305/40R22 tires.