345/35R24 tire size in inches

A 345/35R24 tire measures

33.5" tall × 13.6" wide

4.75" sidewall on a 24" wheel. 602 revolutions per mile.

345/35R24 means a tire 345 mm wide, with sidewalls 35% as tall as the tire is wide (121 mm), radial construction (R), for a 24 inch wheel.

33.5"24" rim4.8"13.6" wide
345/35R24: 33.5 inches tall, 13.6 inches wide, on a 24 inch rim, drawn to scale

345/35R24 specs

Overall diameter (height)33.51 inches (851 mm)
Section width13.58 inches (345 mm)
Sidewall height4.75 inches (121 mm)
Wheel (rim) diameter24 inches
Circumference105.3 inches (2,674 mm)
Revolutions per mile602
Revolutions per kilometer374
Approximate rim width11.5" to 13.0"
In inches (flotation style)33.5x13.6R24
Aspect ratio35%

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 345/35R24 on a 24" wheel

These 24" sizes are within 3% of 345/35R24's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
305/40R2433.61"12.01"+0.3%60.2 mphCompare
295/40R2433.29"11.61"−0.6%59.6 mphCompare
335/35R2433.23"13.19"−0.8%59.5 mphCompare
355/35R2433.78"13.98"+0.8%60.5 mphCompare
315/40R2433.92"12.40"+1.2%60.7 mphCompare
285/40R2432.98"11.22"−1.6%59.0 mphCompare
325/35R2432.96"12.80"−1.6%59.0 mphCompare
325/40R2434.24"12.80"+2.2%61.3 mphCompare
315/35R2432.68"12.40"−2.5%58.5 mphCompare
275/40R2432.66"10.83"−2.5%58.5 mphCompare

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

SizeWheelDiameterDifference
335/55R1919"33.51"0.0%Compare
325/45R2222"33.52"0.0%Compare
265/55R2222"33.48"−0.1%Compare
285/60R2020"33.46"−0.1%Compare
265/65R2020"33.56"+0.2%Compare
355/45R2121"33.58"+0.2%Compare
345/50R2020"33.58"+0.2%Compare
285/65R1919"33.59"+0.2%Compare
295/75R1616"33.42"−0.3%Compare
305/60R1919"33.41"−0.3%Compare
275/85R1515"33.41"−0.3%Compare
305/65R1818"33.61"+0.3%Compare

One size up or down

Compare 345/35R24 with another size

With 355/35R24 tires, when your speedometer says 60 mph you are really going

60.5 mph

355/35R24 is +0.28 inches (+0.8%) in overall diameter. That is within the 3% most shops and makers allow.

345/35R24355/35R24Difference%
Overall diameter33.51"33.78"+0.28"+0.8%
Section width13.58"13.98"+0.39"+2.9%
Sidewall height4.75"4.89"+0.14"+2.9%
Circumference105.27"106.13"+0.87"+0.8%
Revolutions per mile601.9597.0−4.9−0.8%

Questions

How tall is a 345/35R24 tire?
A 345/35R24 tire is 33.5 inches tall (851 mm), calculated from the size. It is 13.6 inches wide with 4.8 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 345/35R24 mean?
345/35R24 means a tire 345 mm wide, with sidewalls 35% as tall as the tire is wide (121 mm), radial construction (R), for a 24 inch wheel.
How many revolutions per mile does a 345/35R24 tire make?
About 602 revolutions per mile, based on a circumference of 105.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 345/35R24 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 305/40R24 instead of 345/35R24?
305/40R24 is +0.10 inches (+0.3%) in overall diameter, so at an indicated 60 mph you would be doing 60.2 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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