335/60R18 tire size in inches

A 335/60R18 tire measures

33.8" tall × 13.2" wide

7.91" sidewall on a 18" wheel. 596 revolutions per mile.

335/60R18 means a tire 335 mm wide, with sidewalls 60% as tall as the tire is wide (201 mm), radial construction (R), for a 18 inch wheel.

33.8"18" rim7.9"13.2" wide
335/60R18: 33.8 inches tall, 13.2 inches wide, on a 18 inch rim, drawn to scale

335/60R18 specs

Overall diameter (height)33.83 inches (859 mm)
Section width13.19 inches (335 mm)
Sidewall height7.91 inches (201 mm)
Wheel (rim) diameter18 inches
Circumference106.3 inches (2,699 mm)
Revolutions per mile596
Revolutions per kilometer370
Approximate rim width9.0" to 10.5"
In inches (flotation style)33.8x13.2R18
Aspect ratio60%

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 335/60R18 on a 18" wheel

These 18" sizes are within 3% of 335/60R18's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
285/70R1833.71"11.22"−0.3%59.8 mphCompare
265/75R1833.65"10.43"−0.5%59.7 mphCompare
305/65R1833.61"12.01"−0.6%59.6 mphCompare
315/65R1834.12"12.40"+0.9%60.5 mphCompare
275/75R1834.24"10.83"+1.2%60.7 mphCompare
295/70R1834.26"11.61"+1.3%60.8 mphCompare
325/60R1833.35"12.80"−1.4%59.2 mphCompare
275/70R1833.16"10.83"−2.0%58.8 mphCompare
295/65R1833.10"11.61"−2.2%58.7 mphCompare
255/75R1833.06"10.04"−2.3%58.6 mphCompare
325/65R1834.63"12.80"+2.4%61.4 mphCompare
33x12.50R1833.00"12.50"−2.4%58.5 mphCompare

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

SizeWheelDiameterDifference
285/75R1717"33.83"0.0%Compare
305/70R1717"33.81"0.0%Compare
325/50R2121"33.80"−0.1%Compare
355/35R2424"33.78"−0.1%Compare
335/45R2222"33.87"+0.1%Compare
295/55R2121"33.78"−0.2%Compare
315/60R1919"33.88"+0.2%Compare
275/55R2222"33.91"+0.2%Compare
265/85R1616"33.74"−0.3%Compare
315/40R2424"33.92"+0.3%Compare
295/60R2020"33.94"+0.3%Compare
345/55R1919"33.94"+0.3%Compare

One size up or down

Compare 335/60R18 with another size

With 285/70R18 tires, when your speedometer says 60 mph you are really going

59.8 mph

285/70R18 is −0.12 inches (−0.3%) in overall diameter. That is within the 3% most shops and makers allow.

335/60R18285/70R18Difference%
Overall diameter33.83"33.71"−0.12"−0.3%
Section width13.19"11.22"−1.97"−14.9%
Sidewall height7.91"7.85"−0.06"−0.7%
Circumference106.27"105.90"−0.37"−0.3%
Revolutions per mile596.2598.3+2.1+0.4%

Questions

How tall is a 335/60R18 tire?
A 335/60R18 tire is 33.8 inches tall (859 mm), calculated from the size. It is 13.2 inches wide with 7.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 335/60R18 mean?
335/60R18 means a tire 335 mm wide, with sidewalls 60% as tall as the tire is wide (201 mm), radial construction (R), for a 18 inch wheel.
How many revolutions per mile does a 335/60R18 tire make?
About 596 revolutions per mile, based on a circumference of 106.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 335/60R18 tire?
Roughly 9.0" to 10.5". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 285/70R18 instead of 335/60R18?
285/70R18 is −0.12 inches (−0.3%) in overall diameter, so at an indicated 60 mph you would be doing 59.8 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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