245/65R19 tire size in inches

A 245/65R19 tire measures

31.5" tall × 9.6" wide

6.27" sidewall on a 19" wheel. 639 revolutions per mile.

245/65R19 means a tire 245 mm wide, with sidewalls 65% as tall as the tire is wide (159 mm), radial construction (R), for a 19 inch wheel.

31.5"19" rim6.3"9.6" wide
245/65R19: 31.5 inches tall, 9.6 inches wide, on a 19 inch rim, drawn to scale

245/65R19 specs

Overall diameter (height)31.54 inches (801 mm)
Section width9.65 inches (245 mm)
Sidewall height6.27 inches (159 mm)
Wheel (rim) diameter19 inches
Circumference99.1 inches (2,517 mm)
Revolutions per mile639
Revolutions per kilometer397
Approximate rim width6.5" to 8.0"
In inches (flotation style)31.5x9.6R19
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 245/65R19 on a 19" wheel

These 19" sizes are within 3% of 245/65R19's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
265/60R1931.52"10.43"−0.1%60.0 mphCompare
355/45R1931.58"13.98"+0.1%60.1 mphCompare
315/50R1931.40"12.40"−0.4%59.7 mphCompare
285/55R1931.34"11.22"−0.6%59.6 mphCompare
295/55R1931.78"11.61"+0.7%60.4 mphCompare
325/50R1931.80"12.80"+0.8%60.5 mphCompare
345/45R1931.22"13.58"−1.0%59.4 mphCompare
275/60R1931.99"10.83"+1.4%60.9 mphCompare
255/60R1931.05"10.04"−1.6%59.1 mphCompare
235/65R1931.03"9.25"−1.6%59.0 mphCompare
255/65R1932.05"10.04"+1.6%61.0 mphCompare
305/50R1931.01"12.01"−1.7%59.0 mphCompare

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

SizeWheelDiameterDifference
335/40R2121"31.55"0.0%Compare
225/65R2020"31.52"−0.1%Compare
325/45R2020"31.52"−0.1%Compare
265/65R1818"31.56"+0.1%Compare
345/35R2222"31.51"−0.1%Compare
245/70R1818"31.50"−0.1%Compare
245/60R2020"31.57"+0.1%Compare
275/35R2424"31.58"+0.1%Compare
285/65R1717"31.59"+0.1%Compare
265/55R2020"31.48"−0.2%Compare
265/70R1717"31.61"+0.2%Compare
305/40R2222"31.61"+0.2%Compare

One size up or down

Compare 245/65R19 with another size

With 255/65R19 tires, when your speedometer says 60 mph you are really going

61.0 mph

255/65R19 is +0.51 inches (+1.6%) in overall diameter. That is within the 3% most shops and makers allow.

245/65R19255/65R19Difference%
Overall diameter31.54"32.05"+0.51"+1.6%
Section width9.65"10.04"+0.39"+4.1%
Sidewall height6.27"6.53"+0.26"+4.1%
Circumference99.08"100.69"+1.61"+1.6%
Revolutions per mile639.5629.2−10.2−1.6%

Questions

How tall is a 245/65R19 tire?
A 245/65R19 tire is 31.5 inches tall (801 mm), calculated from the size. It is 9.6 inches wide with 6.3 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 245/65R19 mean?
245/65R19 means a tire 245 mm wide, with sidewalls 65% as tall as the tire is wide (159 mm), radial construction (R), for a 19 inch wheel.
How many revolutions per mile does a 245/65R19 tire make?
About 639 revolutions per mile, based on a circumference of 99.1 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 245/65R19 tire?
Roughly 6.5" to 8.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 265/60R19 instead of 245/65R19?
265/60R19 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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