275/35R24 tire size in inches

A 275/35R24 tire measures

31.6" tall × 10.8" wide

3.79" sidewall on a 24" wheel. 639 revolutions per mile.

275/35R24 means a tire 275 mm wide, with sidewalls 35% as tall as the tire is wide (96 mm), radial construction (R), for a 24 inch wheel.

31.6"24" rim3.8"10.8" wide
275/35R24: 31.6 inches tall, 10.8 inches wide, on a 24 inch rim, drawn to scale

275/35R24 specs

Overall diameter (height)31.58 inches (802 mm)
Section width10.83 inches (275 mm)
Sidewall height3.79 inches (96 mm)
Wheel (rim) diameter24 inches
Circumference99.2 inches (2,520 mm)
Revolutions per mile639
Revolutions per kilometer397
Approximate rim width9.0" to 10.5"
In inches (flotation style)31.6x10.8R24
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 275/35R24 on a 24" wheel

These 24" sizes are within 3% of 275/35R24's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
325/30R2431.68"12.80"+0.3%60.2 mphCompare
315/30R2431.44"12.40"−0.4%59.7 mphCompare
265/35R2431.30"10.43"−0.9%59.5 mphCompare
285/35R2431.85"11.22"+0.9%60.5 mphCompare
335/30R2431.91"13.19"+1.1%60.6 mphCompare
305/30R2431.20"12.01"−1.2%59.3 mphCompare
255/40R2432.03"10.04"+1.4%60.9 mphCompare
255/35R2431.03"10.04"−1.7%59.0 mphCompare
295/35R2432.13"11.61"+1.7%61.0 mphCompare
345/30R2432.15"13.58"+1.8%61.1 mphCompare
355/25R2430.99"13.98"−1.9%58.9 mphCompare
295/30R2430.97"11.61"−1.9%58.8 mphCompare

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

SizeWheelDiameterDifference
355/45R1919"31.58"0.0%Compare
245/60R2020"31.57"0.0%Compare
285/65R1717"31.59"0.0%Compare
265/65R1818"31.56"0.0%Compare
335/40R2121"31.55"−0.1%Compare
265/70R1717"31.61"+0.1%Compare
305/40R2222"31.61"+0.1%Compare
245/55R2121"31.61"+0.1%Compare
295/50R2020"31.61"+0.1%Compare
245/65R1919"31.54"−0.1%Compare
265/60R1919"31.52"−0.2%Compare
225/65R2020"31.52"−0.2%Compare

One size up or down

Compare 275/35R24 with another size

With 285/35R24 tires, when your speedometer says 60 mph you are really going

60.5 mph

285/35R24 is +0.28 inches (+0.9%) in overall diameter. That is within the 3% most shops and makers allow.

275/35R24285/35R24Difference%
Overall diameter31.58"31.85"+0.28"+0.9%
Section width10.83"11.22"+0.39"+3.6%
Sidewall height3.79"3.93"+0.14"+3.6%
Circumference99.21"100.07"+0.87"+0.9%
Revolutions per mile638.7633.1−5.5−0.9%

Questions

How tall is a 275/35R24 tire?
A 275/35R24 tire is 31.6 inches tall (802 mm), calculated from the size. It is 10.8 inches wide with 3.8 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 275/35R24 mean?
275/35R24 means a tire 275 mm wide, with sidewalls 35% as tall as the tire is wide (96 mm), radial construction (R), for a 24 inch wheel.
How many revolutions per mile does a 275/35R24 tire make?
About 639 revolutions per mile, based on a circumference of 99.2 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 275/35R24 tire?
Roughly 9.0" to 10.5". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 325/30R24 instead of 275/35R24?
325/30R24 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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