205/55R15 Tire Size Specifications & Compatible Vehicles
Overall Diameter
606.5 mm
Section Width
205 mm
Sidewall Height
112.8 mm
Circumference
1905.4 mm
Revs/Mile
845
Rim Diameter
15"
Inch Equivalent
23.9x8.1R15
Rim Width (ETRTO)
5.5" – 7.5"
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 205/55R15 and may be used as replacements:
Understanding 205/55R15
The tire size 205/55R15 means the tire has a section width of 205mm, an aspect ratio of 55% (the sidewall height is 55% of the width), and fits a 15-inch rim.
Sidewall Height = 205 x 0.55 = 112.8 mm
Overall Diameter = (112.8 x 2) + (15 x 25.4) = 606.5 mm
Circumference = 606.5 x π = 1905.4 mm
Overall Diameter = (112.8 x 2) + (15 x 25.4) = 606.5 mm
Circumference = 606.5 x π = 1905.4 mm
Frequently Asked Questions
The 205/55R15 is a standard tire size. Check your vehicle door jamb sticker or owner manual to confirm compatibility.
A 205/55R15 tire has an overall diameter of 606.5mm (23.9 inches). The sidewall height is 112.8mm, and the total circumference is 1905mm.
For 205/55R15 tires, the ETRTO recommended rim width is 6.5". The acceptable range is 5.5" minimum to 7.5" 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 205/55R15 606.5mm diameter. Compatible alternatives include 175/50R17, 225/50R15, 285/35R16. Use our Tire Size Calculator to compare any two sizes.