245/55R17 Tire Size Specifications & Compatible Vehicles
Overall Diameter
701.3 mm
Section Width
245 mm
Sidewall Height
134.8 mm
Circumference
2203.2 mm
Revs/Mile
730
Rim Diameter
17"
Inch Equivalent
27.6x9.6R17
Rim Width (ETRTO)
7.0" – 9.0"
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 245/55R17 and may be used as replacements:
Understanding 245/55R17
The tire size 245/55R17 means the tire has a section width of 245mm, an aspect ratio of 55% (the sidewall height is 55% of the width), and fits a 17-inch rim.
Sidewall Height = 245 x 0.55 = 134.8 mm
Overall Diameter = (134.8 x 2) + (17 x 25.4) = 701.3 mm
Circumference = 701.3 x π = 2203.2 mm
Overall Diameter = (134.8 x 2) + (17 x 25.4) = 701.3 mm
Circumference = 701.3 x π = 2203.2 mm
Frequently Asked Questions
The 245/55R17 is a standard tire size. Check your vehicle door jamb sticker or owner manual to confirm compatibility.
A 245/55R17 tire has an overall diameter of 701.3mm (27.6 inches). The sidewall height is 134.8mm, and the total circumference is 2203mm.
For 245/55R17 tires, the ETRTO recommended rim width is 8.0". The acceptable range is 7.0" minimum to 9.0" 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 245/55R17 701.3mm diameter. Compatible alternatives include 295/50R16, 305/40R18, 225/60R17. Use our Tire Size Calculator to compare any two sizes.