265/65R17 Tire Size in Inches

265/65R17 tires are 30.6 inches (776 mm) tall and 10.4 inches wide, with a 6.8-inch sidewall on a 17-inch wheel. Compare it with any other size below.

Last updated · Calculated from the sidewall code · Sources

Tire sizes

Type it as it appears on the sidewall: 275/60R20, LT265/70R17 or 33x12.50R20.

Tire height
30.6″
265/65R17 = 30.6″ × 10.4″ on a 17″ wheel
265/65R17Size
Overall diameter30.6″ 776 mm
Section width10.4″ 265 mm
Sidewall height6.78″ 172 mm
Wheel (rim) diameter17″
Circumference96.0″ 2439 mm
Revolutions per mile660
265/65R1730.6″ × 10.4″30.6″
Drawn to scale: side view and tread width.

265/65R17 dimensions

Overall diameter (height)30.56″ · 776 mm
Section width10.43″ · 265 mm
Sidewall height6.78″ · 172 mm
Wheel diameter17″
Rim width (rule of thumb)7.5–9″
Circumference96.0″
Revolutions per mile660
In inches (flotation style)30.6 × 10.4R17

How it’s calculated: the sidewall is 65% of the 265 mm width = 172.3 mm (6.78″). Add two sidewalls to the 17″ wheel: 17 + 2 × 6.78 = 30.56″.

Bigger tires than 265/65R17 on 17″ wheels

SizeHeightTaller by60 mph reads
255/70R1731.1″+0.49″ (+1.6%)61.0 mph
275/65R1731.1″+0.51″ (+1.7%)61.0 mph
245/75R1731.5″+0.91″ (+3.0%)61.8 mph
265/70R1731.6″+1.04″ (+3.4%)62.0 mph
255/75R1732.1″+1.50″ (+4.9%)62.9 mph

“60 mph reads” is your real speed when a speedometer set up for 265/65R17 shows 60. Above about 3% taller, most trucks need a leveling kit or lift, and the speedometer should be recalibrated.

Sizes equivalent to 265/65R17

Within 1.5% of the same height on a 17″ wheel. Usually interchangeable for the speedometer; check width, load index and clearance.

SizeHeightWidthDifference
245/70R1730.5″9.6″−0.2%

Same height on a different wheel size

Changing wheel size (plus or minus sizing) while keeping the overall height keeps your speedometer right:

Popular 265/65R17 comparisons

Frequently asked questions

Is 265/65R17 a 31 inch tire?

Not quite. 265/65R17 is 30.56 inches tall, between a 30 and a 31 inch tire.

What size is 265/65R17 in inches?

265/65R17 is 30.6 inches tall (overall diameter), 10.4 inches wide, with a 6.8 inch sidewall, and fits a 17 inch wheel.

What tire size is equivalent to 265/65R17?

Sizes within 1.5% of the same diameter on a 17" wheel: 245/70R17 (30.5"). Check load index and width before swapping.

What rim width fits 265/65R17?

As a rule of thumb, about 7.5–9 inches. The tire maker's spec sheet lists the approved range for each model.

How many revolutions per mile does 265/65R17 make?

About 660 revolutions per mile in theory (circumference 96.0 in). Real tires turn slightly more because they flatten under load.

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