LT means light truck tire designed for vehicles that are towing trailers or have ¾- and 1-ton load capacity. Most tire sizes begin with one or more letters – for example P or LT.
A tire can also have one two or even three sets of sizing numbers.
Tire sizes and what they mean. Is the ratio of the height of the tires cross-section to its width. The two-digit number after the slash mark in a tire size is the aspect ratio. For example in a size P21565 R15 tire the 65 means that the height is equal to 65 of the tires width.
The bigger the aspect ratio the bigger the tires sidewall will be. What do the numbers on tires mean. Tire service type ratings.
Most tire sizes begin with one or more letters – for example P or LT. The letter tells us. P P-Metric Example.
P-Metric tires are the most common type of tire. The P stands for passenger. Metric Euro-Metric.
Tire size specifications are outlined by the numbers and letters found on the sidewall of tires. It is important that we understand tire geometry and be informed of the parameters that govern their performance. Tire sizes are defined by specifications such as the type width aspect ratio speed rating tire construction type and service description.
The first letter on a tire indicates the tires class. P designates this tire as a passenger car tire an LT before the tire size would mean the tire is a light truck tire and a European metric tire would have no letter before the tire size. 245 Section WidthTread mm.
P-class tires include cars SUVs crossovers minivans and smaller pickup trucks. LT means light truck tire designed for vehicles that are towing trailers or have ¾- and 1-ton load capacity. ST stands for Special Trailer.
These tire sizes are meant for trailers including fifth wheels and other travel trailers boat trailers and utility trailers. In example A this reads 1250 meaning the tire width is 12 and 12 inches. The final number simply is the wheel size or diameterof the wheel that the tire will fit on.
Finding the tire size meaning in metric measurements is a little more difficult and usually take a calculator to get exactly right. Heres a common tire size. The first letter P means its a passenger car tire.
Tires for a pickup or some sport-utility vehicles might start or end in LT meaning light truck. Tire diameter inches xxxyy1270zz where tire size is commonly written PxxxyyRzz on the sidewall. Note xxx is tread width in mm.
Yy is aspect ratio sidewall height to tread width. Zz is wheel diameter inches. The ISO Metric tire code consists of a string of letters and numbers as follows.
It looks like your 520-13 tire has an overall diameter of 2310 inches and a section width of 6 inches. The closest thing that we have is a 17580-13 size tire which will have an overall diameter of 2410 inches and a section width of 7 inches. Tire sizing can be confusing.
Different numbers and no one to explain this foreign code. Dont fret take a look at the Drives Garage Guide to see what they mean. The first number or second letter in a tire size represents the nominal width.
Width is measured in a straight line from the furthest point on one sidewall across the tread to the furthest point on the opposite sidewall. Generally the size is indicated by two numbers that correspond approximately to the outside or inside diameter and the width of the tire but not always in that order. A tire can also have one two or even three sets of sizing numbers.
How To Read Tire Sizes and Specifications. All ATV Tire sizes consist of 3 sets of numbers generally separated by dashes ex. 25-8-12 forward slashes ex.
25812 or with an x ex. 1st Number The overall height of the tire. 25 x8-12 tire is 25 tall 2nd Number The overall width of the tire.
25x 8 -12 tire is 8 wide. Studless Ice and Snow Tire Sizes For the harsher winter climates 19565-15 would be the optimum winter tire size in the Studless Ice and Snow category. 19565-15 is narrow enough to cut through deep snow but wide enough to brake turn and accelerate on hard-packed snow or ice.
The sizes you commonly see for mountain bike wheels like 26in 275in and 29in all refer to the outside diameter of the wheel with the tire fully inflated. These sizes can be thought of as a sort of shorthand for decimal sizes each with a corresponding ISO measurement. A tire ply rating is an expression of the tires strength and capacity.
The ply rating translates in a very direct way to tire capabilities and limitations especially when it comes to inflation and load capacity. If you plan to haul tow or carry heavy loads with your vehicle then understanding the ply rating of your tires is a must.