Table of Contents
What do the numbers mean on a tire?
The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire’s width. The bigger the aspect ratio, the bigger the tire’s sidewall will be.
What does the 265 70R17 mean?
How to read your tire size long description. An arrow points to the numbers 265/70R17 115T on the inner part of the tire sidewall. 265 is the width, 70 is the aspect ratio, R stands for radial, 17 is the wheel diameter and 115T is the load index and speed symbol.
What do the letters and numbers on tires mean?
Also known as the service description, the number indicates the maximum load the tire can support when inflated properly, and the letter represents the maximum speed capability of the tire. The letter T speed rating indicates maximum speed capability of 118 mph.
Can I use 60 instead of 55 tires?
Most likely yes. The 55 or 60 in this case is the aspect ratio. It’s how tall the tire is as a percentage of its width. A 60 means the tire’s sidewall height is 60% of the width of the tire.
Can I use 245 tires instead of 235?
So you have already identified the difference between 235 and 245 size tires. It is obvious that 245 is bigger than 235, still, both tires’ sizes are pretty common and could be interchangeable at times.
What does XL mean on a tire?
XL tyres have been especially developed for use with heavy loads. Generally speaking, the tyre name XL is used for heavy duty tyres. However, the labelling varies between tyre manufacturers. Sometimes you might have XL tyres that are also labelled “reinforced” (RF or RFD), or models labelled EL (Extra Load).
What speed rating is H?
SPEED RATING H If you recall from earlier, the “H” speed rating doesn’t appear after “G” but between “U” and “V.” It represents a maximum speed of 130 mph (210 kph) and is commonly found on sports sedans and coupes.
What does LT mean on a tire?
If a tire size reads, LT235/75R15 104/101S, the LT indicates that this tire is meant for Light Truck use. These tires are made for light-duty and heavy-duty pickup trucks (typically ½ ton, ¾ ton, or 1-ton load capacity), SUVs and vans.
What size tire is 255 70R17?
Tire Size Calculator – Tire & Wheel Plus Sizing BETA Unit: Imperial Imperial Metric Section Width 10.04 in Rim Diameter 17.00 in Rim Width Range 6.50 in – 8.50 in Overall Diameter 31.06 in.
What does the 113S mean on tires?
113 is the load rating, it means the tires can handle up to 2535 lbs. S is the speed index, which means the tires can go up to a speed of 112 mph. The office is open between 9am and 6pm EST. Thank you for your interest. Priority Tire ✅.
What is P265?
Let’s take for example P265/60R18. This code gives you the following information about your vehicle’s tire: P = Passenger Tire (Light Truck Tires will begin with the prefix LT). 265 = Section Width in millimeters (measured at the widest part of the tire from sidewall to sidewall).
How do you read tire letters?
TIRE SIDEWALL MARKINGS P =Passenger Car Tire. The first letter on a tire indicates the tire’s class. 245 =Section WidthTread (mm) 45 =Aspect Ratio. Z =Speed Rating S = 112mphT = 118mph. R =RadialConstruction. 19 =WheelDiameter(inches. 98 =LoadIndex. W=Speed Rating.
What does the 40 mean on a tire?
In this case, the tire is 245 millimeters at its widest point (when it’s mounted on a wheel of a specified width). 2) The number after the slash indicates its aspect ratio, or profile. This tire’s sidewall height is 40 percent of its width.
What does 255 mean on tires?
255 (Tire Width): The tire width is 255 millimeters from sidewall to sidewall (just over ten inches). 45 (Aspect Ratio): The tire’s sidewall is 45% of the tire’s width, which means the sidewall is about 114 millimeters or just over 4 inches.
Which tire is wider 50 or 60?
For example, a 60-series tire features a sidewall that is 60% as tall as the tire’s section width. A 50-series tire will feature a shorter sidewall, at 50% of section width.
What does r16 mean on a tire?
65 – This number is the Aspect Ratio, the ratio of sidewall height to width. R – Radial. 16 – This number designates the tire’s diameter in inches (i.e. 16″).
Do tire sizes need to be exact?
Width and diameter are the two factors that determine tire and rim compatibility. For diameter you’ll need to be sure that your tires and wheels are an exact match, e.g. a 215/65R17 tire will only fit on a 17″ diameter wheel.
Do wider tires handle better?
2. Improved Cornering. The same aspect of having a wider contact area with the road with the above, wider tires offer better cornering and road handling. It is also because wider tires have a better thread and stiffer sidewalls that they have less vehicle roll in corners.
What does the first numbers mean on a tire?
The first number to appear in your tire size information is the width, in millimeters, of the correct tires for your vehicle: P225/70R16 91S. Tire width always refers to the measurement from one sidewall to another. If a tire has an aspect ratio of 70, it means the tire’s height is 70% of its width.
What does P245 75r16 mean?
This number indicates that your tire has a width of 245 millimeters. 75. This number means that your tire has an aspect ratio of 75%. In other words, your tire’s sidewall height (from the edge of the rim to the tire’s tread) is 75% of the width.
