205/45R16 Tire Size Specifications & Compatible Vehicles
Overall Diameter
590.9 mm
Section Width
205 mm
Sidewall Height
92.3 mm
Circumference
1856.4 mm
Revs/Mile
867
Rim Diameter
16"
Inch Equivalent
23.3x8.1R16
Rim Width (ETRTO)
5.5" – 7.5"
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 205/45R16 and may be used as replacements:
Understanding 205/45R16
The tire size 205/45R16 means the tire has a section width of 205mm, an aspect ratio of 45% (the sidewall height is 45% of the width), and fits a 16-inch rim.
Sidewall Height = 205 x 0.45 = 92.3 mm
Overall Diameter = (92.3 x 2) + (16 x 25.4) = 590.9 mm
Circumference = 590.9 x π = 1856.4 mm
Overall Diameter = (92.3 x 2) + (16 x 25.4) = 590.9 mm
Circumference = 590.9 x π = 1856.4 mm
Frequently Asked Questions
The 205/45R16 is a standard tire size. Check your vehicle door jamb sticker or owner manual to confirm compatibility.
A 205/45R16 tire has an overall diameter of 590.9mm (23.3 inches). The sidewall height is 92.3mm, and the total circumference is 1856mm.
For 205/45R16 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 205/45R16 590.9mm diameter. Compatible alternatives include 175/60R15, 265/30R17, 235/50R14. Use our Tire Size Calculator to compare any two sizes.