Best 275/55 R21 Tires. Rims & Conversion Info

275/55 R21 in inches What rims fit 275/55 R21 tires What is 275/55 R21?

Best 275/55 R21 Truck/SUV All-Season Tires

Image of Pirelli Scorpion Verde All Season
Pirelli Scorpion Verde All Season
Overall: 54.6%
Dry: 82.4%
Wet: 75%
Snow: 58.3%
Comfort: 72.3%
Wear: 66.3%
Buy again: 62%
Check on Amazon
Best 275/55 R21 Truck/SUV All-Season Tires

275/55 R21 in inches

275/55 R21 tires' overall diameter is 32.9 inches, tire width is 10.8 inches, the tire can be mounted on 21 inches wheel and the circumference is 103.4". With that parameters, we can calculate that it will take approximately 612.8 revolutions per mile.

Popular comparisons with this size

275/55 R21 – what does it mean?

Parameter Meaning
275 The first number shows that the tire has a section width of 275 mm or approximately 10.8 inches.
55 The second number is the aspect ratio or sidewall height. In this case, it is 55%. It shows the height of the tire from the ground to the rim edge or the height of the tire's cross-section which is 55% of the width or ~ 152mm
R21 The letter R means this tire is radial. Most of all tires nowadays are radial. The number is the tire diameter in inches. It means that the tire will fit 21-inch wheels

If you want to know more about how to decipher information inscribed on your tires, including aspects such as the tire height, tire width, and the diameter of the wheel, this guide provides an in-depth look at how to read a tire sidewall. These measurements can reveal a wealth of information about your tire's specifications and suitability for your vehicle. Mastering these details will allow you to make informed decisions when buying or replacing your tires.