205/50R15 Tire Size Specifications & Compatible Vehicles
Overall Diameter
586.0 mm
Section Width
205 mm
Sidewall Height
102.5 mm
Circumference
1841.0 mm
Revs/Mile
874
Rim Diameter
15"
Inch Equivalent
23.1x8.1R15
Rim Width (ETRTO)
5.5" – 7.5"
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 205/50R15 and may be used as replacements:
Understanding 205/50R15
The tire size 205/50R15 means the tire has a section width of 205mm, an aspect ratio of 50% (the sidewall height is 50% of the width), and fits a 15-inch rim.
Sidewall Height = 205 x 0.5 = 102.5 mm
Overall Diameter = (102.5 x 2) + (15 x 25.4) = 586.0 mm
Circumference = 586.0 x π = 1841.0 mm
Overall Diameter = (102.5 x 2) + (15 x 25.4) = 586.0 mm
Circumference = 586.0 x π = 1841.0 mm
Frequently Asked Questions
The 205/50R15 is a standard tire size. Check your vehicle door jamb sticker or owner manual to confirm compatibility.
A 205/50R15 tire has an overall diameter of 586.0mm (23.1 inches). The sidewall height is 102.5mm, and the total circumference is 1841mm.
For 205/50R15 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 205/50R15 586.0mm diameter. Compatible alternatives include 225/40R16, 165/70R14, 155/50R17. Use our Tire Size Calculator to compare any two sizes.