255/35R17 tire size in inches

A 255/35R17 tire measures

24.0" tall × 10.0" wide

3.51" sidewall on a 17" wheel. 839 revolutions per mile.

255/35R17 means a tire 255 mm wide, with sidewalls 35% as tall as the tire is wide (89 mm), radial construction (R), for a 17 inch wheel.

24.0"17" rim3.5"10.0" wide
255/35R17: 24.0 inches tall, 10.0 inches wide, on a 17 inch rim, drawn to scale

255/35R17 specs

Overall diameter (height)24.03 inches (610 mm)
Section width10.04 inches (255 mm)
Sidewall height3.51 inches (89 mm)
Wheel (rim) diameter17 inches
Circumference75.5 inches (1,917 mm)
Revolutions per mile839
Revolutions per kilometer522
Approximate rim width8.5" to 10.0"
In inches (flotation style)24.0x10.0R17
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 255/35R17 on a 17" wheel

These 17" sizes are within 3% of 255/35R17's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
225/40R1724.09"8.86"+0.2%60.1 mphCompare
195/45R1723.91"7.68"−0.5%59.7 mphCompare
205/45R1724.26"8.07"+1.0%60.6 mphCompare
185/50R1724.28"7.28"+1.1%60.6 mphCompare
215/40R1723.77"8.46"−1.1%59.4 mphCompare
245/35R1723.75"9.65"−1.1%59.3 mphCompare
265/35R1724.30"10.43"+1.1%60.7 mphCompare
235/40R1724.40"9.25"+1.6%60.9 mphCompare
185/45R1723.56"7.28"−2.0%58.8 mphCompare
275/35R1724.58"10.83"+2.3%61.4 mphCompare
235/35R1723.48"9.25"−2.3%58.6 mphCompare
205/40R1723.46"8.07"−2.4%58.6 mphCompare

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

SizeWheelDiameterDifference
175/80R1313"24.02"0.0%Compare
255/40R1616"24.03"0.0%Compare
255/45R1515"24.04"0.0%Compare
255/25R1919"24.02"0.0%Compare
165/85R1313"24.04"+0.1%Compare
185/55R1616"24.01"−0.1%Compare
215/65R1313"24.00"−0.1%Compare
205/50R1616"24.07"+0.2%Compare
195/65R1414"23.98"−0.2%Compare
215/30R1919"24.08"+0.2%Compare
225/45R1616"23.97"−0.2%Compare
165/70R1515"24.09"+0.3%Compare

One size up or down

Compare 255/35R17 with another size

With 265/35R17 tires, when your speedometer says 60 mph you are really going

60.7 mph

265/35R17 is +0.28 inches (+1.1%) in overall diameter. That is within the 3% most shops and makers allow.

255/35R17265/35R17Difference%
Overall diameter24.03"24.30"+0.28"+1.1%
Section width10.04"10.43"+0.39"+3.9%
Sidewall height3.51"3.65"+0.14"+3.9%
Circumference75.48"76.35"+0.87"+1.1%
Revolutions per mile839.4829.9−9.5−1.1%

Questions

How tall is a 255/35R17 tire?
A 255/35R17 tire is 24.0 inches tall (610 mm), calculated from the size. It is 10.0 inches wide with 3.5 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 255/35R17 mean?
255/35R17 means a tire 255 mm wide, with sidewalls 35% as tall as the tire is wide (89 mm), radial construction (R), for a 17 inch wheel.
How many revolutions per mile does a 255/35R17 tire make?
About 839 revolutions per mile, based on a circumference of 75.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 255/35R17 tire?
Roughly 8.5" to 10.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 225/40R17 instead of 255/35R17?
225/40R17 is +0.06 inches (+0.2%) in overall diameter, so at an indicated 60 mph you would be doing 60.1 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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