205/70R15 Tire Size Specifications & Compatible Vehicles
Overall Diameter
668.0 mm
Section Width
205 mm
Sidewall Height
143.5 mm
Circumference
2098.6 mm
Revs/Mile
767
Rim Diameter
15"
Inch Equivalent
26.3x8.1R15
Rim Width (ETRTO)
5.5" – 7.5"
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 205/70R15 and may be used as replacements:
Popular Comparisons
See how 205/70R15 compares to other common tire sizes:
Understanding 205/70R15
The tire size 205/70R15 means the tire has a section width of 205mm, an aspect ratio of 70% (the sidewall height is 70% of the width), and fits a 15-inch rim.
Sidewall Height = 205 x 0.7 = 143.5 mm
Overall Diameter = (143.5 x 2) + (15 x 25.4) = 668.0 mm
Circumference = 668.0 x π = 2098.6 mm
Overall Diameter = (143.5 x 2) + (15 x 25.4) = 668.0 mm
Circumference = 668.0 x π = 2098.6 mm
Frequently Asked Questions
The 205/70R15 is a standard tire size. Check your vehicle door jamb sticker or owner manual to confirm compatibility.
A 205/70R15 tire has an overall diameter of 668.0mm (26.3 inches). The sidewall height is 143.5mm, and the total circumference is 2099mm.
For 205/70R15 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 205/70R15 668.0mm diameter. Compatible alternatives include 295/40R17, 215/55R17, 195/80R14. Use our Tire Size Calculator to compare any two sizes.