185/35R17 tire size in inches

A 185/35R17 tire measures

22.1" tall × 7.3" wide

2.55" sidewall on a 17" wheel. 913 revolutions per mile.

185/35R17 means a tire 185 mm wide, with sidewalls 35% as tall as the tire is wide (65 mm), radial construction (R), for a 17 inch wheel.

22.1"17" rim2.5"7.3" wide
185/35R17: 22.1 inches tall, 7.3 inches wide, on a 17 inch rim, drawn to scale

185/35R17 specs

Overall diameter (height)22.10 inches (561 mm)
Section width7.28 inches (185 mm)
Sidewall height2.55 inches (65 mm)
Wheel (rim) diameter17 inches
Circumference69.4 inches (1,763 mm)
Revolutions per mile913
Revolutions per kilometer567
Approximate rim width6.0" to 7.5"
In inches (flotation style)22.1x7.3R17
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 185/35R17 on a 17" wheel

These 17" sizes are within 3% of 185/35R17's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
195/35R1722.37"7.68"+1.2%60.7 mphCompare
205/35R1722.65"8.07"+2.5%61.5 mphCompare

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

SizeWheelDiameterDifference
165/70R1313"22.09"0.0%Compare
145/80R1313"22.13"+0.2%Compare
195/40R1616"22.14"+0.2%Compare
165/55R1515"22.15"+0.2%Compare
155/75R1313"22.15"+0.2%Compare
185/55R1414"22.01"−0.4%Compare
195/60R1313"22.21"+0.5%Compare
205/45R1515"22.26"+0.7%Compare
175/60R1414"22.27"+0.8%Compare
185/50R1515"22.28"+0.8%Compare
165/65R1414"22.44"+1.6%Compare
195/55R1414"22.44"+1.6%Compare

One size up or down

Compare 185/35R17 with another size

With 195/35R17 tires, when your speedometer says 60 mph you are really going

60.7 mph

195/35R17 is +0.28 inches (+1.2%) in overall diameter. That is within the 3% most shops and makers allow.

185/35R17195/35R17Difference%
Overall diameter22.10"22.37"+0.28"+1.2%
Section width7.28"7.68"+0.39"+5.4%
Sidewall height2.55"2.69"+0.14"+5.4%
Circumference69.42"70.29"+0.87"+1.2%
Revolutions per mile912.6901.4−11.2−1.2%

Questions

How tall is a 185/35R17 tire?
A 185/35R17 tire is 22.1 inches tall (561 mm), calculated from the size. It is 7.3 inches wide with 2.5 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 185/35R17 mean?
185/35R17 means a tire 185 mm wide, with sidewalls 35% as tall as the tire is wide (65 mm), radial construction (R), for a 17 inch wheel.
How many revolutions per mile does a 185/35R17 tire make?
About 913 revolutions per mile, based on a circumference of 69.4 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 185/35R17 tire?
Roughly 6.0" to 7.5". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 195/35R17 instead of 185/35R17?
195/35R17 is +0.28 inches (+1.2%) in overall diameter, so at an indicated 60 mph you would be doing 60.7 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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