285/35R20 tire size
A 285/35R20 tire stands 27.9 inches tall and 11.2 inches wide, with a 3.9-inch sidewall on a 20-inch rim.
- Overall height
- 27.9 in708 mm
- Section width
- 11.2 in285 mm
- Sidewall height
- 3.9 in100 mm
- Rim diameter
- 20 in508 mm
- Circumference
- 87.5 in2223 mm
- Revolutions per mile
- 724450 per km
- Inch size
- 27.9x11.2R20
Compare it with any other size in the tire size calculator.
Sizes you can swap to
These 20-inch sizes are within two width steps and 3% of a 285/35R20's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 295/35R20, 1.0% taller (0.28 in). Wider sizes also need room in the wheel well and a rim width that suits them.
Plus and minus sizes
Changing rim size means changing the sidewall to keep the same overall height. On 18-inch or 19-inch or 21-inch rims, these are the closest matches to a 285/35R20.
Other 20-inch sizes near 285/35R20
285 mm wide, other sidewalls
- 285/40R2029.0″
- 285/45R2030.1″
- 285/50R2031.2″
- 285/55R2032.3″
- 285/60R2033.5″
- 285/65R2034.6″
- 285/70R2035.7″
- 285/75R2036.8″
35 series, other widths
See the other sizes for this rim on 20-inch tire sizes.
Shop 285/35R20 tires
These open each store's own list of 285/35R20 tires, where you can filter by type, load and speed rating.
285/35R20 questions
How tall is a 285/35R20 tire?
About 27.9 inches (708 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.
What does 285/35R20 mean?
285 is the section width in millimetres (11.2 in). 35 means the sidewall is 35% of that width: 100 mm, or 3.9 in. R means radial construction, and 20 is the rim diameter in inches.
Can I use 295/35R20 instead of 285/35R20?
295/35R20 is 1.0% taller (0.28 in) and 10 mm wider, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 60.6 mph. Make sure the extra width clears the suspension and fender liner at full lock.
What is 285/35R20 in inches?
In inch terms it is 27.9x11.2R20: 27.9 inches tall, 11.2 inches wide, for a 20-inch rim.
How many revolutions per mile does a 285/35R20 make?
About 724 turns per mile, worked out from its unloaded circumference of 87.5 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.