285/55R16 tire size in inches

A 285/55R16 tire measures

28.3" tall × 11.2" wide

6.17" sidewall on a 16" wheel. 712 revolutions per mile.

285/55R16 means a tire 285 mm wide, with sidewalls 55% as tall as the tire is wide (157 mm), radial construction (R), for a 16 inch wheel.

28.3"16" rim6.2"11.2" wide
285/55R16: 28.3 inches tall, 11.2 inches wide, on a 16 inch rim, drawn to scale

285/55R16 specs

Overall diameter (height)28.34 inches (720 mm)
Section width11.22 inches (285 mm)
Sidewall height6.17 inches (157 mm)
Wheel (rim) diameter16 inches
Circumference89.0 inches (2,262 mm)
Revolutions per mile712
Revolutions per kilometer442
Approximate rim width8.0" to 9.5"
In inches (flotation style)28.3x11.2R16
Aspect ratio55%

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 285/55R16 on a 16" wheel

These 16" sizes are within 3% of 285/55R16's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
185/85R1628.38"7.28"+0.1%60.1 mphCompare
195/80R1628.28"7.68"−0.2%59.9 mphCompare
225/70R1628.40"8.86"+0.2%60.1 mphCompare
265/60R1628.52"10.43"+0.6%60.4 mphCompare
245/65R1628.54"9.65"+0.7%60.4 mphCompare
205/75R1628.11"8.07"−0.8%59.5 mphCompare
255/60R1628.05"10.04"−1.0%59.4 mphCompare
235/65R1628.03"9.25"−1.1%59.3 mphCompare
215/75R1628.70"8.46"+1.3%60.8 mphCompare
275/55R1627.91"10.83"−1.5%59.1 mphCompare
295/55R1628.78"11.61"+1.5%60.9 mphCompare
215/70R1627.85"8.46"−1.7%59.0 mphCompare

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

SizeWheelDiameterDifference
265/40R2020"28.35"0.0%Compare
235/45R2020"28.33"−0.1%Compare
215/55R1919"28.31"−0.1%Compare
265/35R2121"28.30"−0.1%Compare
205/70R1717"28.30"−0.2%Compare
355/30R2020"28.39"+0.2%Compare
215/85R1414"28.39"+0.2%Compare
265/45R1919"28.39"+0.2%Compare
295/40R1919"28.29"−0.2%Compare
225/75R1515"28.29"−0.2%Compare
325/25R2222"28.40"+0.2%Compare
235/40R2121"28.40"+0.2%Compare

One size up or down

Compare 285/55R16 with another size

With 295/55R16 tires, when your speedometer says 60 mph you are really going

60.9 mph

295/55R16 is +0.43 inches (+1.5%) in overall diameter. That is within the 3% most shops and makers allow.

285/55R16295/55R16Difference%
Overall diameter28.34"28.78"+0.43"+1.5%
Section width11.22"11.61"+0.39"+3.5%
Sidewall height6.17"6.39"+0.22"+3.5%
Circumference89.04"90.40"+1.36"+1.5%
Revolutions per mile711.6700.9−10.7−1.5%

Questions

How tall is a 285/55R16 tire?
A 285/55R16 tire is 28.3 inches tall (720 mm), calculated from the size. It is 11.2 inches wide with 6.2 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 285/55R16 mean?
285/55R16 means a tire 285 mm wide, with sidewalls 55% as tall as the tire is wide (157 mm), radial construction (R), for a 16 inch wheel.
How many revolutions per mile does a 285/55R16 tire make?
About 712 revolutions per mile, based on a circumference of 89.0 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 285/55R16 tire?
Roughly 8.0" to 9.5". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 185/85R16 instead of 285/55R16?
185/85R16 is +0.04 inches (+0.1%) in overall diameter, so at an indicated 60 mph you would be doing 60.1 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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