265/30R24 tire size in inches

A 265/30R24 tire measures

30.3" tall × 10.4" wide

3.13" sidewall on a 24" wheel. 666 revolutions per mile.

265/30R24 means a tire 265 mm wide, with sidewalls 30% as tall as the tire is wide (80 mm), radial construction (R), for a 24 inch wheel.

30.3"24" rim3.1"10.4" wide
265/30R24: 30.3 inches tall, 10.4 inches wide, on a 24 inch rim, drawn to scale

265/30R24 specs

Overall diameter (height)30.26 inches (769 mm)
Section width10.43 inches (265 mm)
Sidewall height3.13 inches (80 mm)
Wheel (rim) diameter24 inches
Circumference95.1 inches (2,415 mm)
Revolutions per mile666
Revolutions per kilometer414
Approximate rim width8.5" to 10.0"
In inches (flotation style)30.3x10.4R24
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 265/30R24 on a 24" wheel

These 24" sizes are within 3% of 265/30R24's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
315/25R2430.20"12.40"−0.2%59.9 mphCompare
325/25R2430.40"12.80"+0.5%60.3 mphCompare
255/30R2430.02"10.04"−0.8%59.5 mphCompare
275/30R2430.50"10.83"+0.8%60.5 mphCompare
305/25R2430.00"12.01"−0.8%59.5 mphCompare
335/25R2430.59"13.19"+1.1%60.7 mphCompare
295/25R2429.81"11.61"−1.5%59.1 mphCompare
285/30R2430.73"11.22"+1.6%60.9 mphCompare
345/25R2430.79"13.58"+1.8%61.1 mphCompare
285/25R2429.61"11.22"−2.1%58.7 mphCompare
295/30R2430.97"11.61"+2.3%61.4 mphCompare
355/25R2430.99"13.98"+2.4%61.4 mphCompare

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

SizeWheelDiameterDifference
235/50R2121"30.25"0.0%Compare
325/40R2020"30.24"−0.1%Compare
225/75R1717"30.29"+0.1%Compare
335/35R2121"30.23"−0.1%Compare
295/40R2121"30.29"+0.1%Compare
285/50R1919"30.22"−0.1%Compare
305/55R1717"30.21"−0.2%Compare
235/45R2222"30.33"+0.2%Compare
355/40R1919"30.18"−0.3%Compare
235/55R2020"30.18"−0.3%Compare
285/55R1818"30.34"+0.3%Compare
225/80R1616"30.17"−0.3%Compare

One size up or down

Compare 265/30R24 with another size

With 275/30R24 tires, when your speedometer says 60 mph you are really going

60.5 mph

275/30R24 is +0.24 inches (+0.8%) in overall diameter. That is within the 3% most shops and makers allow.

265/30R24275/30R24Difference%
Overall diameter30.26"30.50"+0.24"+0.8%
Section width10.43"10.83"+0.39"+3.8%
Sidewall height3.13"3.25"+0.12"+3.8%
Circumference95.06"95.81"+0.74"+0.8%
Revolutions per mile666.5661.3−5.2−0.8%

Questions

How tall is a 265/30R24 tire?
A 265/30R24 tire is 30.3 inches tall (769 mm), calculated from the size. It is 10.4 inches wide with 3.1 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 265/30R24 mean?
265/30R24 means a tire 265 mm wide, with sidewalls 30% as tall as the tire is wide (80 mm), radial construction (R), for a 24 inch wheel.
How many revolutions per mile does a 265/30R24 tire make?
About 666 revolutions per mile, based on a circumference of 95.1 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 265/30R24 tire?
Roughly 8.5" to 10.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 315/25R24 instead of 265/30R24?
315/25R24 is −0.06 inches (−0.2%) 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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