225/40R17 Tire Size Specifications & Compatible Vehicles
Overall Diameter
611.8 mm
Section Width
225 mm
Sidewall Height
90.0 mm
Circumference
1922.0 mm
Revs/Mile
837
Rim Diameter
17"
Inch Equivalent
24.1x8.9R17
Rim Width (ETRTO)
6.5" – 8.5"
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 225/40R17 and may be used as replacements:
Understanding 225/40R17
The tire size 225/40R17 means the tire has a section width of 225mm, an aspect ratio of 40% (the sidewall height is 40% of the width), and fits a 17-inch rim.
Sidewall Height = 225 x 0.4 = 90.0 mm
Overall Diameter = (90.0 x 2) + (17 x 25.4) = 611.8 mm
Circumference = 611.8 x π = 1922.0 mm
Overall Diameter = (90.0 x 2) + (17 x 25.4) = 611.8 mm
Circumference = 611.8 x π = 1922.0 mm
Frequently Asked Questions
The 225/40R17 is a standard tire size. Check your vehicle door jamb sticker or owner manual to confirm compatibility.
A 225/40R17 tire has an overall diameter of 611.8mm (24.1 inches). The sidewall height is 90.0mm, and the total circumference is 1922mm.
For 225/40R17 tires, the ETRTO recommended rim width is 7.5". The acceptable range is 6.5" minimum to 8.5" 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 225/40R17 611.8mm diameter. Compatible alternatives include 165/70R15, 215/30R19, 185/35R19. Use our Tire Size Calculator to compare any two sizes.