205/55R19 tire size in inches

A 205/55R19 tire measures

27.9" tall × 8.1" wide

4.44" sidewall on a 19" wheel. 723 revolutions per mile.

205/55R19 means a tire 205 mm wide, with sidewalls 55% as tall as the tire is wide (113 mm), radial construction (R), for a 19 inch wheel.

27.9"19" rim4.4"8.1" wide
205/55R19: 27.9 inches tall, 8.1 inches wide, on a 19 inch rim, drawn to scale

205/55R19 specs

Overall diameter (height)27.88 inches (708 mm)
Section width8.07 inches (205 mm)
Sidewall height4.44 inches (113 mm)
Wheel (rim) diameter19 inches
Circumference87.6 inches (2,225 mm)
Revolutions per mile723
Revolutions per kilometer450
Approximate rim width6.0" to 7.5"
In inches (flotation style)27.9x8.1R19
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 205/55R19 on a 19" wheel

These 19" sizes are within 3% of 205/55R19's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
225/50R1927.86"8.86"−0.1%60.0 mphCompare
325/35R1927.96"12.80"+0.3%60.2 mphCompare
285/40R1927.98"11.22"+0.4%60.2 mphCompare
255/45R1928.04"10.04"+0.6%60.3 mphCompare
245/45R1927.68"9.65"−0.7%59.6 mphCompare
315/35R1927.68"12.40"−0.7%59.6 mphCompare
275/40R1927.66"10.83"−0.8%59.5 mphCompare
335/35R1928.23"13.19"+1.3%60.8 mphCompare
235/50R1928.25"9.25"+1.3%60.8 mphCompare
215/50R1927.46"8.46"−1.5%59.1 mphCompare
295/40R1928.29"11.61"+1.5%60.9 mphCompare
215/55R1928.31"8.46"+1.6%60.9 mphCompare

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

SizeWheelDiameterDifference
235/75R1414"27.88"0.0%Compare
285/35R2020"27.85"−0.1%Compare
215/70R1616"27.85"−0.1%Compare
275/55R1616"27.91"+0.1%Compare
205/80R1515"27.91"+0.1%Compare
335/30R2020"27.91"+0.1%Compare
315/40R1818"27.92"+0.2%Compare
185/75R1717"27.93"+0.2%Compare
275/50R1717"27.83"−0.2%Compare
295/25R2222"27.81"−0.3%Compare
305/45R1717"27.81"−0.3%Compare
235/80R1313"27.80"−0.3%Compare

One size up or down

Compare 205/55R19 with another size

With 215/55R19 tires, when your speedometer says 60 mph you are really going

60.9 mph

215/55R19 is +0.43 inches (+1.6%) in overall diameter. That is within the 3% most shops and makers allow.

205/55R19215/55R19Difference%
Overall diameter27.88"28.31"+0.43"+1.6%
Section width8.07"8.46"+0.39"+4.9%
Sidewall height4.44"4.66"+0.22"+4.9%
Circumference87.58"88.94"+1.36"+1.6%
Revolutions per mile723.4712.4−11.1−1.5%

Questions

How tall is a 205/55R19 tire?
A 205/55R19 tire is 27.9 inches tall (708 mm), calculated from the size. It is 8.1 inches wide with 4.4 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 205/55R19 mean?
205/55R19 means a tire 205 mm wide, with sidewalls 55% as tall as the tire is wide (113 mm), radial construction (R), for a 19 inch wheel.
How many revolutions per mile does a 205/55R19 tire make?
About 723 revolutions per mile, based on a circumference of 87.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 205/55R19 tire?
Roughly 6.0" to 7.5". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 225/50R19 instead of 205/55R19?
225/50R19 is −0.02 inches (−0.1%) in overall diameter, so at an indicated 60 mph you would be doing 60.0 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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