205/50R19 tire size in inches

A 205/50R19 tire measures

27.1" tall × 8.1" wide

4.04" sidewall on a 19" wheel. 745 revolutions per mile.

205/50R19 means a tire 205 mm wide, with sidewalls 50% as tall as the tire is wide (102 mm), radial construction (R), for a 19 inch wheel.

27.1"19" rim4.0"8.1" wide
205/50R19: 27.1 inches tall, 8.1 inches wide, on a 19 inch rim, drawn to scale

205/50R19 specs

Overall diameter (height)27.07 inches (688 mm)
Section width8.07 inches (205 mm)
Sidewall height4.04 inches (102 mm)
Wheel (rim) diameter19 inches
Circumference85.0 inches (2,160 mm)
Revolutions per mile745
Revolutions per kilometer463
Approximate rim width6.0" to 7.5"
In inches (flotation style)27.1x8.1R19
Aspect ratio50%

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 205/50R19 on a 19" wheel

These 19" sizes are within 3% of 205/50R19's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
255/40R1927.03"10.04"−0.1%59.9 mphCompare
295/35R1927.13"11.61"+0.2%60.1 mphCompare
345/30R1927.15"13.58"+0.3%60.2 mphCompare
225/45R1926.97"8.86"−0.4%59.8 mphCompare
335/30R1926.91"13.19"−0.6%59.7 mphCompare
285/35R1926.85"11.22"−0.8%59.5 mphCompare
235/45R1927.33"9.25"+0.9%60.6 mphCompare
265/40R1927.35"10.43"+1.0%60.6 mphCompare
355/30R1927.39"13.98"+1.2%60.7 mphCompare
305/35R1927.41"12.01"+1.2%60.7 mphCompare
245/40R1926.72"9.65"−1.3%59.2 mphCompare
325/30R1926.68"12.80"−1.5%59.1 mphCompare

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

SizeWheelDiameterDifference
225/40R2020"27.09"+0.1%Compare
195/85R1414"27.05"−0.1%Compare
255/65R1414"27.05"−0.1%Compare
255/60R1515"27.05"−0.1%Compare
255/55R1616"27.04"−0.1%Compare
285/45R1717"27.10"+0.1%Compare
235/60R1616"27.10"+0.1%Compare
255/50R1717"27.04"−0.1%Compare
255/45R1818"27.04"−0.1%Compare
205/75R1515"27.11"+0.1%Compare
235/65R1515"27.03"−0.2%Compare
255/35R2020"27.03"−0.2%Compare

One size up or down

Compare 205/50R19 with another size

With 215/50R19 tires, when your speedometer says 60 mph you are really going

60.9 mph

215/50R19 is +0.39 inches (+1.5%) in overall diameter. That is within the 3% most shops and makers allow.

205/50R19215/50R19Difference%
Overall diameter27.07"27.46"+0.39"+1.5%
Section width8.07"8.46"+0.39"+4.9%
Sidewall height4.04"4.23"+0.20"+4.9%
Circumference85.05"86.28"+1.24"+1.5%
Revolutions per mile745.0734.3−10.7−1.4%

Questions

How tall is a 205/50R19 tire?
A 205/50R19 tire is 27.1 inches tall (688 mm), calculated from the size. It is 8.1 inches wide with 4.0 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 205/50R19 mean?
205/50R19 means a tire 205 mm wide, with sidewalls 50% as tall as the tire is wide (102 mm), radial construction (R), for a 19 inch wheel.
How many revolutions per mile does a 205/50R19 tire make?
About 745 revolutions per mile, based on a circumference of 85.0 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 205/50R19 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 255/40R19 instead of 205/50R19?
255/40R19 is −0.04 inches (−0.1%) 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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