285/35R17 tire size in inches

A 285/35R17 tire measures

24.9" tall × 11.2" wide

3.93" sidewall on a 17" wheel. 811 revolutions per mile.

285/35R17 means a tire 285 mm wide, with sidewalls 35% as tall as the tire is wide (100 mm), radial construction (R), for a 17 inch wheel.

24.9"17" rim3.9"11.2" wide
285/35R17: 24.9 inches tall, 11.2 inches wide, on a 17 inch rim, drawn to scale

285/35R17 specs

Overall diameter (height)24.85 inches (631 mm)
Section width11.22 inches (285 mm)
Sidewall height3.93 inches (100 mm)
Wheel (rim) diameter17 inches
Circumference78.1 inches (1,983 mm)
Revolutions per mile811
Revolutions per kilometer504
Approximate rim width9.5" to 11.0"
In inches (flotation style)24.9x11.2R17
Aspect ratio35%

Calculated from the size. Real tires differ by brand, model and tread depth, typically by a few tenths of an inch.

Sizes that can replace 285/35R17 on a 17" wheel

These 17" sizes are within 3% of 285/35R17's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
225/45R1724.97"8.86"+0.5%60.3 mphCompare
245/40R1724.72"9.65"−0.6%59.7 mphCompare
185/55R1725.01"7.28"+0.6%60.4 mphCompare
195/50R1724.68"7.68"−0.7%59.6 mphCompare
255/40R1725.03"10.04"+0.7%60.4 mphCompare
205/50R1725.07"8.07"+0.9%60.5 mphCompare
215/45R1724.62"8.46"−1.0%59.4 mphCompare
295/35R1725.13"11.61"+1.1%60.7 mphCompare
275/35R1724.58"10.83"−1.1%59.3 mphCompare
235/40R1724.40"9.25"−1.8%58.9 mphCompare
235/45R1725.33"9.25"+1.9%61.1 mphCompare
265/40R1725.35"10.43"+2.0%61.2 mphCompare

Same height on other wheel sizes (plus and minus sizing)

SizeWheelDiameterDifference
225/50R1616"24.86"0.0%Compare
215/70R1313"24.85"0.0%Compare
205/55R1616"24.88"+0.1%Compare
245/25R2020"24.82"−0.1%Compare
295/25R1919"24.81"−0.2%Compare
195/45R1818"24.91"+0.2%Compare
245/30R1919"24.79"−0.3%Compare
215/35R1919"24.93"+0.3%Compare
185/75R1414"24.93"+0.3%Compare
215/40R1818"24.77"−0.3%Compare
175/65R1616"24.96"+0.4%Compare
245/35R1818"24.75"−0.4%Compare

One size up or down

Compare 285/35R17 with another size

With 295/35R17 tires, when your speedometer says 60 mph you are really going

60.7 mph

295/35R17 is +0.28 inches (+1.1%) in overall diameter. That is within the 3% most shops and makers allow.

285/35R17295/35R17Difference%
Overall diameter24.85"25.13"+0.28"+1.1%
Section width11.22"11.61"+0.39"+3.5%
Sidewall height3.93"4.06"+0.14"+3.5%
Circumference78.08"78.95"+0.87"+1.1%
Revolutions per mile811.5802.6−8.9−1.1%

Questions

How tall is a 285/35R17 tire?
A 285/35R17 tire is 24.9 inches tall (631 mm), calculated from the size. It is 11.2 inches wide with 3.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 285/35R17 mean?
285/35R17 means a tire 285 mm wide, with sidewalls 35% as tall as the tire is wide (100 mm), radial construction (R), for a 17 inch wheel.
How many revolutions per mile does a 285/35R17 tire make?
About 811 revolutions per mile, based on a circumference of 78.1 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 285/35R17 tire?
Roughly 9.5" to 11.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 225/45R17 instead of 285/35R17?
225/45R17 is +0.12 inches (+0.5%) in overall diameter, so at an indicated 60 mph you would be doing 60.3 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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