265/70R17 tire size in inches

A 265/70R17 tire measures

31.6" tall × 10.4" wide

7.30" sidewall on a 17" wheel. 638 revolutions per mile.

265/70R17 means a tire 265 mm wide, with sidewalls 70% as tall as the tire is wide (186 mm), radial construction (R), for a 17 inch wheel.

31.6"17" rim7.3"10.4" wide
265/70R17: 31.6 inches tall, 10.4 inches wide, on a 17 inch rim, drawn to scale

265/70R17 specs

Overall diameter (height)31.61 inches (803 mm)
Section width10.43 inches (265 mm)
Sidewall height7.30 inches (186 mm)
Wheel (rim) diameter17 inches
Circumference99.3 inches (2,522 mm)
Revolutions per mile638
Revolutions per kilometer396
Approximate rim width7.0" to 8.5"
In inches (flotation style)31.6x10.4R17
Aspect ratio70%

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 265/70R17 on a 17" wheel

These 17" sizes are within 3% of 265/70R17's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
285/65R1731.59"11.22"−0.1%60.0 mphCompare
245/75R1731.47"9.65"−0.4%59.7 mphCompare
305/60R1731.41"12.01"−0.6%59.6 mphCompare
315/60R1731.88"12.40"+0.9%60.5 mphCompare
255/75R1732.06"10.04"+1.4%60.9 mphCompare
295/65R1732.10"11.61"+1.6%60.9 mphCompare
275/65R1731.07"10.83"−1.7%59.0 mphCompare
255/70R1731.06"10.04"−1.7%59.0 mphCompare
275/70R1732.16"10.83"+1.7%61.0 mphCompare
295/60R1730.94"11.61"−2.1%58.7 mphCompare
235/75R1730.88"9.25"−2.3%58.6 mphCompare

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

SizeWheelDiameterDifference
305/40R2222"31.61"0.0%Compare
245/55R2121"31.61"0.0%Compare
295/50R2020"31.61"0.0%Compare
275/35R2424"31.58"−0.1%Compare
355/45R1919"31.58"−0.1%Compare
245/60R2020"31.57"−0.1%Compare
315/55R1818"31.64"+0.1%Compare
245/50R2222"31.65"+0.1%Compare
265/75R1616"31.65"+0.1%Compare
265/65R1818"31.56"−0.1%Compare
335/40R2121"31.55"−0.2%Compare
245/65R1919"31.54"−0.2%Compare

One size up or down

Compare 265/70R17 with another size

With 275/70R17 tires, when your speedometer says 60 mph you are really going

61.0 mph

275/70R17 is +0.55 inches (+1.7%) in overall diameter. That is within the 3% most shops and makers allow.

265/70R17275/70R17Difference%
Overall diameter31.61"32.16"+0.55"+1.7%
Section width10.43"10.83"+0.39"+3.8%
Sidewall height7.30"7.58"+0.28"+3.8%
Circumference99.29"101.03"+1.73"+1.7%
Revolutions per mile638.1627.2−10.9−1.7%

Questions

How tall is a 265/70R17 tire?
A 265/70R17 tire is 31.6 inches tall (803 mm), calculated from the size. It is 10.4 inches wide with 7.3 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 265/70R17 mean?
265/70R17 means a tire 265 mm wide, with sidewalls 70% as tall as the tire is wide (186 mm), radial construction (R), for a 17 inch wheel.
How many revolutions per mile does a 265/70R17 tire make?
About 638 revolutions per mile, based on a circumference of 99.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 265/70R17 tire?
Roughly 7.0" to 8.5". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 285/65R17 instead of 265/70R17?
285/65R17 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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