295/30R20 Tire Size Specifications & Compatible Vehicles
Overall Diameter
685.0 mm
Section Width
295 mm
Sidewall Height
88.5 mm
Circumference
2152.0 mm
Revs/Mile
748
Rim Diameter
20"
Inch Equivalent
27x11.6R20
Rim Width (ETRTO)
9.0" – 11.5"
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 295/30R20 and may be used as replacements:
Popular Comparisons
See how 295/30R20 compares to other common tire sizes:
Understanding 295/30R20
The tire size 295/30R20 means the tire has a section width of 295mm, an aspect ratio of 30% (the sidewall height is 30% of the width), and fits a 20-inch rim.
Sidewall Height = 295 x 0.3 = 88.5 mm
Overall Diameter = (88.5 x 2) + (20 x 25.4) = 685.0 mm
Circumference = 685.0 x π = 2152.0 mm
Overall Diameter = (88.5 x 2) + (20 x 25.4) = 685.0 mm
Circumference = 685.0 x π = 2152.0 mm
Frequently Asked Questions
The 295/30R20 is a standard tire size. Check your vehicle door jamb sticker or owner manual to confirm compatibility.
A 295/30R20 tire has an overall diameter of 685.0mm (27.0 inches). The sidewall height is 88.5mm, and the total circumference is 2152mm.
For 295/30R20 tires, the ETRTO recommended rim width is 10.0". The acceptable range is 9.0" minimum to 11.5" 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 295/30R20 685.0mm diameter. Compatible alternatives include 225/45R19, 285/40R18, 175/65R18. Use our Tire Size Calculator to compare any two sizes.