265/80R17 Tire Size in Inches

33.7" tall, 10.4" wide, 8.3" sidewall

Diameter33.7"856 mm
Overall diameter33.7"856 mm
Section width10.4"265 mm
Sidewall height8.3"212 mm
Circumference105.8"2689 mm
Revolutions per mile599372 per km
Wheel diameter17"≈ 33.7x10.4R17 in inches

A 265/80R17 tire is 33.7 inches (856 mm) tall and 10.4 inches wide. The sidewall is 80% of the width, 8.3 inches, on a 17-inch wheel, and the tire turns about 599 times per mile.

In flotation terms that is about 33.7x10.4R17. People often call it a 34-inch tire.

The size most often compared with it is 285/75R17, which is 0.1" taller (+0.4%). At an indicated 60 mph you would be doing 60.2 mph on it.

265/80R17
285/75R17
Diameter difference+0.41%diameter 33.69" → 33.83"
CurrentNew
CurrentNewDifference

Speedometer

ShowsActual speed

Gear ratio to match

–enter your current axle ratio

Sizes near 265/80R17

Same 17" wheel, within 20 mm of width and 10 points of aspect ratio.

SizeDiameterWidthSidewallvs 265/80R17
285/75R1733.8"11.2"8.4"+0.4%
245/85R1733.4"9.6"8.2"−0.9%
255/85R1734.1"10.0"8.5"+1.1%
275/80R1734.3"10.8"8.7"+1.9%
255/80R1733.1"10.0"8.0"−1.9%
285/70R1732.7"11.2"7.9"−2.9%
265/75R1732.6"10.4"7.8"−3.1%
265/85R1734.7"10.4"8.9"+3.1%
245/80R1732.4"9.6"7.7"−3.7%
285/80R1735.0"11.2"9.0"+3.7%

Same height on a different wheel

Sizes within 2% of 33.7" on 18" or 16" or 19" or 15" wheels.

SizeDiameterWidthSidewallvs 265/80R17
285/70R1833.7"11.2"7.9"+0.0%
265/75R1833.6"10.4"7.8"−0.1%
265/85R1633.7"10.4"8.9"+0.1%
305/65R1833.6"12.0"7.8"−0.2%
265/70R1933.6"10.4"7.3"−0.3%
315/75R1533.6"12.4"9.3"−0.3%

Speedometer with a different size

Actual speed when the speedometer is calibrated for 265/80R17.

Speedometer showson 285/75R17on 245/85R17on 255/85R17
30 mph30.1 mph29.7 mph30.3 mph
45 mph45.2 mph44.6 mph45.5 mph
60 mph60.2 mph59.5 mph60.7 mph
70 mph70.3 mph69.4 mph70.8 mph

265/80R17 FAQ

How tall is a 265/80R17 tire?

33.7 inches (856 mm). The sidewall is 8.3 inches.

How wide is a 265/80R17 tire?

10.4 inches (265 mm) section width, measured sidewall to sidewall.

What is 265/80R17 in flotation size?

About 33.7x10.4R17.

Can I use 285/75R17 instead of 265/80R17?

285/75R17 is +0.4% in diameter, within the common 3% guideline. It is 0.8" wider.