165/80R13 tire size in inches

A 165/80R13 tire measures

23.4" tall × 6.5" wide

5.20" sidewall on a 13" wheel. 862 revolutions per mile.

165/80R13 means a tire 165 mm wide, with sidewalls 80% as tall as the tire is wide (132 mm), radial construction (R), for a 13 inch wheel.

23.4"13" rim5.2"6.5" wide
165/80R13: 23.4 inches tall, 6.5 inches wide, on a 13 inch rim, drawn to scale

165/80R13 specs

Overall diameter (height)23.39 inches (594 mm)
Section width6.50 inches (165 mm)
Sidewall height5.20 inches (132 mm)
Wheel (rim) diameter13 inches
Circumference73.5 inches (1,867 mm)
Revolutions per mile862
Revolutions per kilometer536
Approximate rim width4.5" to 6.0"
In inches (flotation style)23.4x6.5R13
Aspect ratio80%

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 165/80R13 on a 13" wheel

These 13" sizes are within 3% of 165/80R13's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
155/85R1323.37"6.10"−0.1%59.9 mphCompare
175/75R1323.33"6.89"−0.3%59.8 mphCompare
205/65R1323.49"8.07"+0.4%60.3 mphCompare
185/70R1323.20"7.28"−0.8%59.5 mphCompare
225/60R1323.63"8.86"+1.0%60.6 mphCompare
215/60R1323.16"8.46"−1.0%59.4 mphCompare
195/70R1323.75"7.68"+1.5%60.9 mphCompare
195/65R1322.98"7.68"−1.8%58.9 mphCompare
185/75R1323.93"7.28"+2.3%61.4 mphCompare
215/65R1324.00"8.46"+2.6%61.6 mphCompare
175/80R1324.02"6.89"+2.7%61.6 mphCompare
155/80R1322.76"6.10"−2.7%58.4 mphCompare

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

SizeWheelDiameterDifference
235/40R1616"23.40"0.0%Compare
195/35R1818"23.37"−0.1%Compare
225/25R1919"23.43"+0.2%Compare
165/65R1515"23.44"+0.2%Compare
195/55R1515"23.44"+0.2%Compare
205/40R1717"23.46"+0.3%Compare
235/45R1515"23.33"−0.3%Compare
215/50R1515"23.46"+0.3%Compare
185/65R1414"23.47"+0.3%Compare
235/35R1717"23.48"+0.4%Compare
215/55R1414"23.31"−0.4%Compare
185/50R1616"23.28"−0.5%Compare

One size up or down

Compare 165/80R13 with another size

With 175/80R13 tires, when your speedometer says 60 mph you are really going

61.6 mph

175/80R13 is +0.63 inches (+2.7%) in overall diameter. That is within the 3% most shops and makers allow.

165/80R13175/80R13Difference%
Overall diameter23.39"24.02"+0.63"+2.7%
Section width6.50"6.89"+0.39"+6.1%
Sidewall height5.20"5.51"+0.31"+6.1%
Circumference73.49"75.47"+1.98"+2.7%
Revolutions per mile862.1839.5−22.6−2.6%

Questions

How tall is a 165/80R13 tire?
A 165/80R13 tire is 23.4 inches tall (594 mm), calculated from the size. It is 6.5 inches wide with 5.2 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 165/80R13 mean?
165/80R13 means a tire 165 mm wide, with sidewalls 80% as tall as the tire is wide (132 mm), radial construction (R), for a 13 inch wheel.
How many revolutions per mile does a 165/80R13 tire make?
About 862 revolutions per mile, based on a circumference of 73.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 165/80R13 tire?
Roughly 4.5" to 6.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 155/85R13 instead of 165/80R13?
155/85R13 is −0.02 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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