275/80R16 tire size in inches

A 275/80R16 tire measures

33.3" tall × 10.8" wide

8.66" sidewall on a 16" wheel. 605 revolutions per mile.

275/80R16 means a tire 275 mm wide, with sidewalls 80% as tall as the tire is wide (220 mm), radial construction (R), for a 16 inch wheel.

33.3"16" rim8.7"10.8" wide
275/80R16: 33.3 inches tall, 10.8 inches wide, on a 16 inch rim, drawn to scale

275/80R16 specs

Overall diameter (height)33.32 inches (846 mm)
Section width10.83 inches (275 mm)
Sidewall height8.66 inches (220 mm)
Wheel (rim) diameter16 inches
Circumference104.7 inches (2,659 mm)
Revolutions per mile605
Revolutions per kilometer376
Approximate rim width7.5" to 9.0"
In inches (flotation style)33.3x10.8R16
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 275/80R16 on a 16" wheel

These 16" sizes are within 3% of 275/80R16's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
295/75R1633.42"11.61"+0.3%60.2 mphCompare
255/85R1633.07"10.04"−0.8%59.5 mphCompare
33x12.50R1633.00"12.50"−1.0%59.4 mphCompare
265/85R1633.74"10.43"+1.2%60.7 mphCompare
285/75R1632.83"11.22"−1.5%59.1 mphCompare
265/80R1632.69"10.43"−1.9%58.9 mphCompare
285/80R1633.95"11.22"+1.9%61.1 mphCompare
245/85R1632.40"9.65"−2.8%58.3 mphCompare

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

SizeWheelDiameterDifference
285/55R2121"33.34"+0.1%Compare
295/40R2424"33.29"−0.1%Compare
325/60R1818"33.35"+0.1%Compare
295/70R1717"33.26"−0.2%Compare
315/50R2121"33.40"+0.2%Compare
275/75R1717"33.24"−0.2%Compare
275/85R1515"33.41"+0.2%Compare
305/60R1919"33.41"+0.3%Compare
335/35R2424"33.23"−0.3%Compare
345/45R2121"33.22"−0.3%Compare
285/50R2222"33.22"−0.3%Compare
305/55R2020"33.21"−0.3%Compare

One size up or down

Compare 275/80R16 with another size

With 285/80R16 tires, when your speedometer says 60 mph you are really going

61.1 mph

285/80R16 is +0.63 inches (+1.9%) in overall diameter. That is within the 3% most shops and makers allow.

275/80R16285/80R16Difference%
Overall diameter33.32"33.95"+0.63"+1.9%
Section width10.83"11.22"+0.39"+3.6%
Sidewall height8.66"8.98"+0.31"+3.6%
Circumference104.69"106.67"+1.98"+1.9%
Revolutions per mile605.2594.0−11.2−1.9%

Questions

How tall is a 275/80R16 tire?
A 275/80R16 tire is 33.3 inches tall (846 mm), calculated from the size. It is 10.8 inches wide with 8.7 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 275/80R16 mean?
275/80R16 means a tire 275 mm wide, with sidewalls 80% as tall as the tire is wide (220 mm), radial construction (R), for a 16 inch wheel.
How many revolutions per mile does a 275/80R16 tire make?
About 605 revolutions per mile, based on a circumference of 104.7 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 275/80R16 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 295/75R16 instead of 275/80R16?
295/75R16 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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