285/40R19 Tire Size Specifications & Compatible Vehicles
Overall Diameter
710.6 mm
Section Width
285 mm
Sidewall Height
114.0 mm
Circumference
2232.4 mm
Revs/Mile
721
Rim Diameter
19"
Inch Equivalent
28x11.2R19
Rim Width (ETRTO)
8.5" – 11.0"
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 285/40R19 and may be used as replacements:
Understanding 285/40R19
The tire size 285/40R19 means the tire has a section width of 285mm, an aspect ratio of 40% (the sidewall height is 40% of the width), and fits a 19-inch rim.
Sidewall Height = 285 x 0.4 = 114.0 mm
Overall Diameter = (114.0 x 2) + (19 x 25.4) = 710.6 mm
Circumference = 710.6 x π = 2232.4 mm
Overall Diameter = (114.0 x 2) + (19 x 25.4) = 710.6 mm
Circumference = 710.6 x π = 2232.4 mm
Frequently Asked Questions
The 285/40R19 is a standard tire size. Check your vehicle door jamb sticker or owner manual to confirm compatibility.
A 285/40R19 tire has an overall diameter of 710.6mm (28.0 inches). The sidewall height is 114.0mm, and the total circumference is 2232mm.
For 285/40R19 tires, the ETRTO recommended rim width is 9.5". The acceptable range is 8.5" minimum to 11.0" 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 285/40R19 710.6mm diameter. Compatible alternatives include 195/65R18, 225/45R20, 295/30R21. Use our Tire Size Calculator to compare any two sizes.