285/80R16 tire size in inches

A 285/80R16 tire measures

34.0" tall × 11.2" wide

8.98" sidewall on a 16" wheel. 594 revolutions per mile.

285/80R16 means a tire 285 mm wide, with sidewalls 80% as tall as the tire is wide (228 mm), radial construction (R), for a 16 inch wheel.

34.0"16" rim9.0"11.2" wide
285/80R16: 34.0 inches tall, 11.2 inches wide, on a 16 inch rim, drawn to scale

285/80R16 specs

Overall diameter (height)33.95 inches (862 mm)
Section width11.22 inches (285 mm)
Sidewall height8.98 inches (228 mm)
Wheel (rim) diameter16 inches
Circumference106.7 inches (2,709 mm)
Revolutions per mile594
Revolutions per kilometer369
Approximate rim width7.5" to 9.0"
In inches (flotation style)34.0x11.2R16
Aspect ratio80%

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 285/80R16 on a 16" wheel

These 16" sizes are within 3% of 285/80R16's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
265/85R1633.74"10.43"−0.6%59.6 mphCompare
275/85R1634.41"10.83"+1.3%60.8 mphCompare
295/75R1633.42"11.61"−1.6%59.1 mphCompare
275/80R1633.32"10.83"−1.9%58.9 mphCompare
295/80R1634.58"11.61"+1.9%61.1 mphCompare
255/85R1633.07"10.04"−2.6%58.4 mphCompare
33x12.50R1633.00"12.50"−2.8%58.3 mphCompare

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

SizeWheelDiameterDifference
345/55R1919"33.94"0.0%Compare
295/60R2020"33.94"0.0%Compare
355/50R2020"33.98"+0.1%Compare
315/40R2424"33.92"−0.1%Compare
275/55R2222"33.91"−0.1%Compare
305/50R2222"34.01"+0.2%Compare
315/60R1919"33.88"−0.2%Compare
335/45R2222"33.87"−0.2%Compare
275/65R2020"34.07"+0.4%Compare
285/85R1515"34.07"+0.4%Compare
285/75R1717"33.83"−0.4%Compare
325/55R2020"34.07"+0.4%Compare

One size up or down

Compare 285/80R16 with another size

With 295/80R16 tires, when your speedometer says 60 mph you are really going

61.1 mph

295/80R16 is +0.63 inches (+1.9%) in overall diameter. That is within the 3% most shops and makers allow.

285/80R16295/80R16Difference%
Overall diameter33.95"34.58"+0.63"+1.9%
Section width11.22"11.61"+0.39"+3.5%
Sidewall height8.98"9.29"+0.31"+3.5%
Circumference106.67"108.64"+1.98"+1.9%
Revolutions per mile594.0583.2−10.8−1.8%

Questions

How tall is a 285/80R16 tire?
A 285/80R16 tire is 34.0 inches tall (862 mm), calculated from the size. It is 11.2 inches wide with 9.0 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 285/80R16 mean?
285/80R16 means a tire 285 mm wide, with sidewalls 80% as tall as the tire is wide (228 mm), radial construction (R), for a 16 inch wheel.
How many revolutions per mile does a 285/80R16 tire make?
About 594 revolutions per mile, based on a circumference of 106.7 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 285/80R16 tire?
Roughly 7.5" to 9.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 265/85R16 instead of 285/80R16?
265/85R16 is −0.22 inches (−0.6%) in overall diameter, so at an indicated 60 mph you would be doing 59.6 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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