275/45R22 Tire Size Specifications & Compatible Vehicles
Overall Diameter
806.3 mm
Section Width
275 mm
Sidewall Height
123.8 mm
Circumference
2533.1 mm
Revs/Mile
635
Rim Diameter
22"
Inch Equivalent
31.7x10.8R22
Rim Width (ETRTO)
8.5" – 11.0"
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 275/45R22 and may be used as replacements:
Understanding 275/45R22
The tire size 275/45R22 means the tire has a section width of 275mm, an aspect ratio of 45% (the sidewall height is 45% of the width), and fits a 22-inch rim.
Sidewall Height = 275 x 0.45 = 123.8 mm
Overall Diameter = (123.8 x 2) + (22 x 25.4) = 806.3 mm
Circumference = 806.3 x π = 2533.1 mm
Overall Diameter = (123.8 x 2) + (22 x 25.4) = 806.3 mm
Circumference = 806.3 x π = 2533.1 mm
Frequently Asked Questions
The 275/45R22 is a standard tire size. Check your vehicle door jamb sticker or owner manual to confirm compatibility.
A 275/45R22 tire has an overall diameter of 806.3mm (31.7 inches). The sidewall height is 123.8mm, and the total circumference is 2533mm.
For 275/45R22 tires, the ETRTO recommended rim width is 9.5". The acceptable range is 8.5" minimum to 11.0" maximum. Using a rim outside this range can cause improper bead seating and unsafe handling.
Yes, as long as the replacement tire overall diameter is within 3% of the 275/45R22 806.3mm diameter. Compatible alternatives include 165/75R22, 225/55R22, 195/70R21. Use our Tire Size Calculator to compare any two sizes.