285/65R19 tire size in inches

A 285/65R19 tire measures

33.6" tall × 11.2" wide

7.29" sidewall on a 19" wheel. 600 revolutions per mile.

285/65R19 means a tire 285 mm wide, with sidewalls 65% as tall as the tire is wide (185 mm), radial construction (R), for a 19 inch wheel.

33.6"19" rim7.3"11.2" wide
285/65R19: 33.6 inches tall, 11.2 inches wide, on a 19 inch rim, drawn to scale

285/65R19 specs

Overall diameter (height)33.59 inches (853 mm)
Section width11.22 inches (285 mm)
Sidewall height7.29 inches (185 mm)
Wheel (rim) diameter19 inches
Circumference105.5 inches (2,680 mm)
Revolutions per mile600
Revolutions per kilometer373
Approximate rim width7.5" to 9.0"
In inches (flotation style)33.6x11.2R19
Aspect ratio65%

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 285/65R19 on a 19" wheel

These 19" sizes are within 3% of 285/65R19's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
335/55R1933.51"13.19"−0.2%59.9 mphCompare
305/60R1933.41"12.01"−0.5%59.7 mphCompare
315/60R1933.88"12.40"+0.9%60.5 mphCompare
345/55R1933.94"13.58"+1.1%60.6 mphCompare
295/65R1934.10"11.61"+1.5%60.9 mphCompare
275/65R1933.07"10.83"−1.5%59.1 mphCompare
325/55R1933.07"12.80"−1.5%59.1 mphCompare
355/50R1932.98"13.98"−1.8%58.9 mphCompare
295/60R1932.94"11.61"−1.9%58.8 mphCompare
325/60R1934.35"12.80"+2.3%61.4 mphCompare
355/55R1934.37"13.98"+2.3%61.4 mphCompare
315/55R1932.64"12.40"−2.8%58.3 mphCompare

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

SizeWheelDiameterDifference
345/50R2020"33.58"0.0%Compare
355/45R2121"33.58"0.0%Compare
305/40R2424"33.61"+0.1%Compare
265/65R2020"33.56"−0.1%Compare
305/65R1818"33.61"+0.1%Compare
295/50R2222"33.61"+0.1%Compare
315/55R2020"33.64"+0.2%Compare
265/75R1818"33.65"+0.2%Compare
325/45R2222"33.52"−0.2%Compare
345/35R2424"33.51"−0.2%Compare
265/55R2222"33.48"−0.3%Compare
285/70R1818"33.71"+0.4%Compare

One size up or down

Compare 285/65R19 with another size

With 295/65R19 tires, when your speedometer says 60 mph you are really going

60.9 mph

295/65R19 is +0.51 inches (+1.5%) in overall diameter. That is within the 3% most shops and makers allow.

285/65R19295/65R19Difference%
Overall diameter33.59"34.10"+0.51"+1.5%
Section width11.22"11.61"+0.39"+3.5%
Sidewall height7.29"7.55"+0.26"+3.5%
Circumference105.52"107.12"+1.61"+1.5%
Revolutions per mile600.5591.5−9.0−1.5%

Questions

How tall is a 285/65R19 tire?
A 285/65R19 tire is 33.6 inches tall (853 mm), calculated from the size. It is 11.2 inches wide with 7.3 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 285/65R19 mean?
285/65R19 means a tire 285 mm wide, with sidewalls 65% as tall as the tire is wide (185 mm), radial construction (R), for a 19 inch wheel.
How many revolutions per mile does a 285/65R19 tire make?
About 600 revolutions per mile, based on a circumference of 105.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 285/65R19 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 335/55R19 instead of 285/65R19?
335/55R19 is −0.08 inches (−0.2%) in overall diameter, so at an indicated 60 mph you would be doing 59.9 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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