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 do tire numbers and letters 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. In our example, a load index of 92 means that the tire can support 1,389 pounds at maximum air pressure.
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.
How wide is 275 tire?
275/70R17 tires have a diameter of 32.2″, a section width of 10.8″, and a wheel diameter of 17″. The circumference is 101.0″ and they have 627 revolutions per mile. Generally they are approved to be mounted on 7-8.5″ wide wheels.
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.
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.
How do you read tire pressure?
Briefly press the small dot or bead on the back of the tire pressure gauge into the center of the valve stem on the tire. You should hear the air escaping the tire. Use the gauge to check the tire pressure. Repeat these steps until you’ve released enough air to reach the correct psi.
What does the letter V mean on tires?
SPEED RATING V Once the highest speed rating a tire could have, “V” used to represent a maximum of 149 mph (240 kph) or more. Nowadays, it means 149 mph but no higher.
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 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).
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 the difference between a 275 and 285 tire?
The 275 tire is about 0.55 inches or 15 mm smaller than the 285 tire and their speedometer difference is also about 1.7 percent too. With regards to sidewall height, the 275 is slightly taller than 285 but revolves just a shade slower than the 285 tire.
How wide is a 325 tire?
325/60R20 tires have a diameter of 35.4″, a section width of 12.8″, and a wheel diameter of 20″.
Which tire is wider 265 or 275?
Plus Sizes 265/70-17 275/70-17 Diameter inches (mm) 31.61 (802.8) 32.16 (816.8) Width inches (mm) 10.43 (265) 10.83 (275) Circum. inches (mm) 99.29 (2522.07) 101.03 (2566.05) Sidewall Height inches (mm) 7.3 (185.5) 7.58 (192.5).
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.
Are 55 or 65 tires wider?
205 is the height, the 55 is slightly wider than the 65 (it’s a ratio); and the 16 is the rim diameter.
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 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.
Which tire is wider 245 or 255?
While the exact dimensions of a 245 or a 255 tire can vary somewhat between tire manufacturers, for any specific manufacturer a 255 tire will have a wider section width (bulge or tread width) than a 245 tire, the difference being 10 mm.
