285/50R22 tire size in inches

A 285/50R22 tire measures

33.2" tall × 11.2" wide

5.61" sidewall on a 22" wheel. 607 revolutions per mile.

285/50R22 means a tire 285 mm wide, with sidewalls 50% as tall as the tire is wide (143 mm), radial construction (R), for a 22 inch wheel.

33.2"22" rim5.6"11.2" wide
285/50R22: 33.2 inches tall, 11.2 inches wide, on a 22 inch rim, drawn to scale

285/50R22 specs

Overall diameter (height)33.22 inches (844 mm)
Section width11.22 inches (285 mm)
Sidewall height5.61 inches (143 mm)
Wheel (rim) diameter22 inches
Circumference104.4 inches (2,651 mm)
Revolutions per mile607
Revolutions per kilometer377
Approximate rim width8.0" to 9.5"
In inches (flotation style)33.2x11.2R22
Aspect ratio50%

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 285/50R22 on a 22" wheel

These 22" sizes are within 3% of 285/50R22's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
355/40R2233.18"13.98"−0.1%59.9 mphCompare
315/45R2233.16"12.40"−0.2%59.9 mphCompare
255/55R2233.04"10.04"−0.5%59.7 mphCompare
33x12.50R2233.00"12.50"−0.7%59.6 mphCompare
265/55R2233.48"10.43"+0.8%60.5 mphCompare
325/45R2233.52"12.80"+0.9%60.5 mphCompare
345/40R2232.87"13.58"−1.1%59.4 mphCompare
275/50R2232.83"10.83"−1.2%59.3 mphCompare
295/50R2233.61"11.61"+1.2%60.7 mphCompare
305/45R2232.81"12.01"−1.2%59.3 mphCompare
245/55R2232.61"9.65"−1.8%58.9 mphCompare
335/45R2233.87"13.19"+2.0%61.2 mphCompare

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

SizeWheelDiameterDifference
345/45R2121"33.22"0.0%Compare
305/55R2020"33.21"0.0%Compare
335/35R2424"33.23"0.0%Compare
275/75R1717"33.24"+0.1%Compare
335/50R2020"33.19"−0.1%Compare
295/70R1717"33.26"+0.1%Compare
275/70R1818"33.16"−0.2%Compare
295/40R2424"33.29"+0.2%Compare
315/65R1717"33.12"−0.3%Compare
275/80R1616"33.32"+0.3%Compare
285/55R2121"33.34"+0.4%Compare
295/65R1818"33.10"−0.4%Compare

One size up or down

Compare 285/50R22 with another size

With 295/50R22 tires, when your speedometer says 60 mph you are really going

60.7 mph

295/50R22 is +0.39 inches (+1.2%) in overall diameter. That is within the 3% most shops and makers allow.

285/50R22295/50R22Difference%
Overall diameter33.22"33.61"+0.39"+1.2%
Section width11.22"11.61"+0.39"+3.5%
Sidewall height5.61"5.81"+0.20"+3.5%
Circumference104.37"105.60"+1.24"+1.2%
Revolutions per mile607.1600.0−7.1−1.2%

Questions

How tall is a 285/50R22 tire?
A 285/50R22 tire is 33.2 inches tall (844 mm), calculated from the size. It is 11.2 inches wide with 5.6 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 285/50R22 mean?
285/50R22 means a tire 285 mm wide, with sidewalls 50% as tall as the tire is wide (143 mm), radial construction (R), for a 22 inch wheel.
How many revolutions per mile does a 285/50R22 tire make?
About 607 revolutions per mile, based on a circumference of 104.4 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 285/50R22 tire?
Roughly 8.0" to 9.5". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 355/40R22 instead of 285/50R22?
355/40R22 is −0.04 inches (−0.1%) in overall diameter, so at an indicated 60 mph you would be doing 59.9 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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