215/45R19 tire size in inches

A 215/45R19 tire measures

26.6" tall × 8.5" wide

3.81" sidewall on a 19" wheel. 758 revolutions per mile.

215/45R19 means a tire 215 mm wide, with sidewalls 45% as tall as the tire is wide (97 mm), radial construction (R), for a 19 inch wheel.

26.6"19" rim3.8"8.5" wide
215/45R19: 26.6 inches tall, 8.5 inches wide, on a 19 inch rim, drawn to scale

215/45R19 specs

Overall diameter (height)26.62 inches (676 mm)
Section width8.46 inches (215 mm)
Sidewall height3.81 inches (97 mm)
Wheel (rim) diameter19 inches
Circumference83.6 inches (2,124 mm)
Revolutions per mile758
Revolutions per kilometer471
Approximate rim width7.0" to 8.5"
In inches (flotation style)26.6x8.5R19
Aspect ratio45%

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 215/45R19 on a 19" wheel

These 19" sizes are within 3% of 215/45R19's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
275/35R1926.58"10.83"−0.1%59.9 mphCompare
325/30R1926.68"12.80"+0.2%60.1 mphCompare
245/40R1926.72"9.65"+0.4%60.2 mphCompare
315/30R1926.44"12.40"−0.7%59.6 mphCompare
235/40R1926.40"9.25"−0.8%59.5 mphCompare
285/35R1926.85"11.22"+0.9%60.5 mphCompare
335/30R1926.91"13.19"+1.1%60.7 mphCompare
265/35R1926.30"10.43"−1.2%59.3 mphCompare
225/45R1926.97"8.86"+1.3%60.8 mphCompare
205/45R1926.26"8.07"−1.3%59.2 mphCompare
255/40R1927.03"10.04"+1.6%60.9 mphCompare
305/30R1926.20"12.01"−1.6%59.1 mphCompare

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

SizeWheelDiameterDifference
235/25R2222"26.63"0.0%Compare
245/55R1616"26.61"0.0%Compare
285/25R2121"26.61"0.0%Compare
225/60R1616"26.63"0.0%Compare
305/40R1717"26.61"0.0%Compare
335/25R2020"26.59"−0.1%Compare
245/50R1717"26.65"+0.1%Compare
185/80R1515"26.65"+0.1%Compare
275/40R1818"26.66"+0.2%Compare
245/60R1515"26.57"−0.2%Compare
245/45R1818"26.68"+0.2%Compare
315/35R1818"26.68"+0.2%Compare

One size up or down

Compare 215/45R19 with another size

With 225/45R19 tires, when your speedometer says 60 mph you are really going

60.8 mph

225/45R19 is +0.35 inches (+1.3%) in overall diameter. That is within the 3% most shops and makers allow.

215/45R19225/45R19Difference%
Overall diameter26.62"26.97"+0.35"+1.3%
Section width8.46"8.86"+0.39"+4.7%
Sidewall height3.81"3.99"+0.18"+4.7%
Circumference83.62"84.74"+1.11"+1.3%
Revolutions per mile757.7747.7−10.0−1.3%

Questions

How tall is a 215/45R19 tire?
A 215/45R19 tire is 26.6 inches tall (676 mm), calculated from the size. It is 8.5 inches wide with 3.8 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 215/45R19 mean?
215/45R19 means a tire 215 mm wide, with sidewalls 45% as tall as the tire is wide (97 mm), radial construction (R), for a 19 inch wheel.
How many revolutions per mile does a 215/45R19 tire make?
About 758 revolutions per mile, based on a circumference of 83.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 215/45R19 tire?
Roughly 7.0" to 8.5". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 275/35R19 instead of 215/45R19?
275/35R19 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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