# What does 225 40R18 92w mean?

## What does 225 40R18 92w mean?

Load Index | Load Rating. 225/40R18 92Y. Located after the two digits that represent the diameter of the tyre are two more digits, in this case 92. These numbers can help you to figure out the maximum carrying capacity of your tyre in kilograms. In this example, the number 92 tells you that the tyre can carry 1260kg.

What is 225 40R18 in inches?

225/40R18 tires have a diameter of 25.1″, a section width of 8.9″, and a wheel diameter of 18″. The circumference is 78.8″ and they have 804 revolutions per mile.

### What does 92w mean on a tire?

92w the first two numbers 92 refer to the load rating and the letter w refers to the maximum speed rating. 92=1,389 pounds (a mid-rating) and W=168 mph (extremely high!) Bucky B. · June 18, 2020. 1 of 1 found this helpful.

How tall is a 225 40r18?

Plus Sizes

225/40-18 245/40-18
Diameter inches (mm) 25.09 (637.2) 25.72 (653.2)
Width inches (mm) 8.86 (225) 9.65 (245)
Circum. inches (mm) 78.81 (2001.82) 80.79 (2052.09)
Sidewall Height inches (mm) 3.54 (90) 3.86 (98)

## How tall is a 225 40R18?

What size is a 12 wide tire?

The widest tire size that fits a 12 inch wheel is the 145/80-12 like the part # AM10140 which has a section width of 5.7 inches. This will be right at an inch wider than what you currently have.

### What is the difference between 92h and 92w on tires?

(W) is simply a higher speed rating. That will tell you the top speed at which it is safe to travel for a sustainable time. Basically the higher the alphabet the higher the speed and heat rating. If you’re looking for a high speed rating it’s best to buy a quality tire.

How wide is a 225 40r18 tire?

## Do XL tyres need higher pressure?

The load capacity of a reinforced tyre also decreases with decreasing air pressure, so XL tyres need higher air pressure. This is the only way to ensure a higher load-bearing capacity. The stipulated tyre speed rating and load index of your XL tyres can normally be found in the last characters on the sidewall.