355/30R22 tire size in inches

A 355/30R22 tire measures

30.4" tall × 14.0" wide

4.19" sidewall on a 22" wheel. 664 revolutions per mile.

355/30R22 means a tire 355 mm wide, with sidewalls 30% as tall as the tire is wide (107 mm), radial construction (R), for a 22 inch wheel.

30.4"22" rim4.2"14.0" wide
355/30R22: 30.4 inches tall, 14.0 inches wide, on a 22 inch rim, drawn to scale

355/30R22 specs

Overall diameter (height)30.39 inches (772 mm)
Section width13.98 inches (355 mm)
Sidewall height4.19 inches (107 mm)
Wheel (rim) diameter22 inches
Circumference95.5 inches (2,425 mm)
Revolutions per mile664
Revolutions per kilometer412
Approximate rim width11.5" to 13.0"
In inches (flotation style)30.4x14.0R22
Aspect ratio30%

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 355/30R22 on a 22" wheel

These 22" sizes are within 3% of 355/30R22's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
305/35R2230.41"12.01"+0.1%60.0 mphCompare
265/40R2230.35"10.43"−0.1%59.9 mphCompare
235/45R2230.33"9.25"−0.2%59.9 mphCompare
345/30R2230.15"13.58"−0.8%59.5 mphCompare
295/35R2230.13"11.61"−0.8%59.5 mphCompare
275/40R2230.66"10.83"+0.9%60.5 mphCompare
245/45R2230.68"9.65"+1.0%60.6 mphCompare
315/35R2230.68"12.40"+1.0%60.6 mphCompare
255/40R2230.03"10.04"−1.2%59.3 mphCompare
335/30R2229.91"13.19"−1.6%59.1 mphCompare
285/35R2229.85"11.22"−1.7%59.0 mphCompare
325/35R2230.96"12.80"+1.9%61.1 mphCompare

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

SizeWheelDiameterDifference
215/85R1616"30.39"0.0%Compare
265/45R2121"30.39"0.0%Compare
245/85R1414"30.40"0.0%Compare
325/25R2424"30.40"0.0%Compare
225/70R1818"30.40"+0.1%Compare
315/50R1818"30.40"+0.1%Compare
285/55R1818"30.34"−0.1%Compare
245/80R1515"30.43"+0.2%Compare
265/50R2020"30.43"+0.2%Compare
295/45R2020"30.45"+0.2%Compare
285/60R1717"30.46"+0.3%Compare
245/75R1616"30.47"+0.3%Compare

One size up or down

Compare 355/30R22 with another size

With 305/35R22 tires, when your speedometer says 60 mph you are really going

60.0 mph

305/35R22 is +0.02 inches (+0.1%) in overall diameter. That is within the 3% most shops and makers allow.

355/30R22305/35R22Difference%
Overall diameter30.39"30.41"+0.02"+0.1%
Section width13.98"12.01"−1.97"−14.1%
Sidewall height4.19"4.20"+0.01"+0.2%
Circumference95.46"95.52"+0.06"+0.1%
Revolutions per mile663.7663.3−0.4−0.1%

Questions

How tall is a 355/30R22 tire?
A 355/30R22 tire is 30.4 inches tall (772 mm), calculated from the size. It is 14.0 inches wide with 4.2 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 355/30R22 mean?
355/30R22 means a tire 355 mm wide, with sidewalls 30% as tall as the tire is wide (107 mm), radial construction (R), for a 22 inch wheel.
How many revolutions per mile does a 355/30R22 tire make?
About 664 revolutions per mile, based on a circumference of 95.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 355/30R22 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 305/35R22 instead of 355/30R22?
305/35R22 is +0.02 inches (+0.1%) in overall diameter, so at an indicated 60 mph you would be doing 60.0 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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