355/45R22 tire size in inches

A 355/45R22 tire measures

34.6" tall × 14.0" wide

6.29" sidewall on a 22" wheel. 583 revolutions per mile.

355/45R22 means a tire 355 mm wide, with sidewalls 45% as tall as the tire is wide (160 mm), radial construction (R), for a 22 inch wheel.

34.6"22" rim6.3"14.0" wide
355/45R22: 34.6 inches tall, 14.0 inches wide, on a 22 inch rim, drawn to scale

355/45R22 specs

Overall diameter (height)34.58 inches (878 mm)
Section width13.98 inches (355 mm)
Sidewall height6.29 inches (160 mm)
Wheel (rim) diameter22 inches
Circumference108.6 inches (2,759 mm)
Revolutions per mile583
Revolutions per kilometer362
Approximate rim width11.5" to 13.0"
In inches (flotation style)34.6x14.0R22
Aspect ratio45%

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 355/45R22 on a 22" wheel

These 22" sizes are within 3% of 355/45R22's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
315/50R2234.40"12.40"−0.5%59.7 mphCompare
295/55R2234.78"11.61"+0.6%60.3 mphCompare
325/50R2234.80"12.80"+0.6%60.4 mphCompare
285/55R2234.34"11.22"−0.7%59.6 mphCompare
345/45R2234.22"13.58"−1.0%59.4 mphCompare
35x12.50R2235.00"12.50"+1.2%60.7 mphCompare
305/50R2234.01"12.01"−1.7%59.0 mphCompare
335/50R2235.19"13.19"+1.8%61.1 mphCompare
305/55R2235.21"12.01"+1.8%61.1 mphCompare
275/55R2233.91"10.83"−1.9%58.8 mphCompare
335/45R2233.87"13.19"−2.0%58.8 mphCompare
295/50R2233.61"11.61"−2.8%58.3 mphCompare

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

SizeWheelDiameterDifference
295/80R1616"34.58"0.0%Compare
345/50R2121"34.58"0.0%Compare
285/65R2020"34.59"0.0%Compare
335/40R2424"34.55"−0.1%Compare
305/65R1919"34.61"+0.1%Compare
325/65R1818"34.63"+0.2%Compare
315/55R2121"34.64"+0.2%Compare
335/55R2020"34.51"−0.2%Compare
295/75R1717"34.42"−0.5%Compare
305/60R2020"34.41"−0.5%Compare
275/85R1616"34.41"−0.5%Compare
355/55R1919"34.37"−0.6%Compare

One size up or down

Compare 355/45R22 with another size

With 315/50R22 tires, when your speedometer says 60 mph you are really going

59.7 mph

315/50R22 is −0.18 inches (−0.5%) in overall diameter. That is within the 3% most shops and makers allow.

355/45R22315/50R22Difference%
Overall diameter34.58"34.40"−0.18"−0.5%
Section width13.98"12.40"−1.57"−11.3%
Sidewall height6.29"6.20"−0.09"−1.4%
Circumference108.63"108.08"−0.56"−0.5%
Revolutions per mile583.3586.3+3.0+0.5%

Questions

How tall is a 355/45R22 tire?
A 355/45R22 tire is 34.6 inches tall (878 mm), calculated from the size. It is 14.0 inches wide with 6.3 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 355/45R22 mean?
355/45R22 means a tire 355 mm wide, with sidewalls 45% as tall as the tire is wide (160 mm), radial construction (R), for a 22 inch wheel.
How many revolutions per mile does a 355/45R22 tire make?
About 583 revolutions per mile, based on a circumference of 108.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 355/45R22 tire?
Roughly 11.5" to 13.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 315/50R22 instead of 355/45R22?
315/50R22 is −0.18 inches (−0.5%) in overall diameter, so at an indicated 60 mph you would be doing 59.7 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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