CarSpecsHQ

285/55R22 tire size

285/55R22 is a metric size: 34.3" tall, 11.2" wide, on a 22" rim — about a 34.5x11.00R22. The sidewall is 6.2" and the tire turns 587 times per mile.

Diameter 34.3" sidewall 6.17" 22" rim width 285 mm (11.2")
285/55R22: 285 mm wide, sidewall 55% of the width (6.17"), on a 22" rim → 34.34" tall.

285/55R22 specs

Overall diameter (height)34.34" · 872 mm
Section width11.22" · 285 mm
Sidewall height6.17" · 157 mm (55% of width)
Rim diameter22"
Circumference107.89" · 2.740 m
Revolutions per mile587 (365 per km)
Inch (flotation) equivalent34.5x11.00R22

Equivalent sizes on a 22" rim

Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.

SizeDiameterDifferenceWidthSpeedo at 60
275/50R22 common32.83"-4.41%-10 mm57.4 mphcompare →
35x12.50R2235.00"+1.91%+33 mm61.1 mphcompare →
305/45R2232.81"-4.47%+20 mm57.3 mphcompare →
33x12.50R2233.00"-3.91%+33 mm57.7 mphcompare →
325/50R2234.80"+1.32%+40 mm60.8 mphcompare →
285/50R2233.22"-3.27%0 mm58.0 mphcompare →
295/55R2234.78"+1.26%+10 mm60.8 mphcalculate →
295/50R2233.61"-2.12%+10 mm58.7 mphcalculate →
35x15.50R2235.00"+1.91%+109 mm61.1 mphcalculate →
305/55R2235.21"+2.52%+20 mm61.5 mphcalculate →
265/60R2234.52"+0.52%-20 mm60.3 mphcalculate →
375/45R2235.29"+2.75%+90 mm61.7 mphcalculate →
355/40R2233.18"-3.38%+70 mm58.0 mphcalculate →
315/45R2233.16"-3.44%+30 mm57.9 mphcalculate →
305/50R2234.01"-0.97%+20 mm59.4 mphcalculate →
275/60R2234.99"+1.89%-10 mm61.1 mphcalculate →
35x13.50R2235.00"+1.91%+58 mm61.1 mphcalculate →
35x14.50R2235.00"+1.91%+83 mm61.1 mphcalculate →
33x13.50R2233.00"-3.91%+58 mm57.7 mphcalculate →
33x14.50R2233.00"-3.91%+83 mm57.7 mphcalculate →

Try another size against 285/55R22

Questions

What size is 285/55R22 in inches?

285/55R22 is about 34.3" tall and 11.2" wide on a 22-inch rim — roughly a 34.5x11.00R22 in inch sizing.

What does 285/55R22 mean?

285 mm section width, sidewall 55% of the width (6.17"), radial construction, 22-inch rim.

What tire sizes are equivalent to 285/55R22?

On the same 22" rim, within 3% of the diameter: 265/60R22 (+0.52%), 305/50R22 (-0.97%), 295/55R22 (+1.26%), 325/50R22 (+1.32%), 275/60R22 (+1.89%), 35x12.50R22 (+1.91%).

How many revolutions per mile does a 285/55R22 tire make?

About 587 revolutions per mile (circumference 107.9").

How these numbers are computed

Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.