205/80R13 tire size in inches

A 205/80R13 tire measures

25.9" tall × 8.1" wide

6.46" sidewall on a 13" wheel. 778 revolutions per mile.

205/80R13 means a tire 205 mm wide, with sidewalls 80% as tall as the tire is wide (164 mm), radial construction (R), for a 13 inch wheel.

25.9"13" rim6.5"8.1" wide
205/80R13: 25.9 inches tall, 8.1 inches wide, on a 13 inch rim, drawn to scale

205/80R13 specs

Overall diameter (height)25.91 inches (658 mm)
Section width8.07 inches (205 mm)
Sidewall height6.46 inches (164 mm)
Wheel (rim) diameter13 inches
Circumference81.4 inches (2,068 mm)
Revolutions per mile778
Revolutions per kilometer484
Approximate rim width5.5" to 7.0"
In inches (flotation style)25.9x8.1R13
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 205/80R13 on a 13" wheel

These 13" sizes are within 3% of 205/80R13's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
235/70R1325.95"9.25"+0.2%60.1 mphCompare
195/85R1326.05"7.68"+0.5%60.3 mphCompare
215/75R1325.70"8.46"−0.8%59.5 mphCompare
225/75R1326.29"8.86"+1.4%60.9 mphCompare
245/65R1325.54"9.65"−1.4%59.1 mphCompare
225/70R1325.40"8.86"−2.0%58.8 mphCompare
185/85R1325.38"7.28"−2.1%58.8 mphCompare
245/70R1326.50"9.65"+2.3%61.4 mphCompare
195/80R1325.28"7.68"−2.4%58.5 mphCompare
215/80R1326.54"8.46"+2.4%61.5 mphCompare

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

SizeWheelDiameterDifference
215/35R2020"25.93"0.0%Compare
185/75R1515"25.93"0.0%Compare
205/55R1717"25.88"−0.1%Compare
225/50R1717"25.86"−0.2%Compare
295/30R1919"25.97"+0.2%Compare
285/35R1818"25.85"−0.2%Compare
225/45R1818"25.97"+0.2%Compare
215/70R1414"25.85"−0.2%Compare
285/40R1717"25.98"+0.2%Compare
195/65R1616"25.98"+0.3%Compare
355/25R1919"25.99"+0.3%Compare
275/50R1515"25.83"−0.3%Compare

One size up or down

Compare 205/80R13 with another size

With 215/80R13 tires, when your speedometer says 60 mph you are really going

61.5 mph

215/80R13 is +0.63 inches (+2.4%) in overall diameter. That is within the 3% most shops and makers allow.

205/80R13215/80R13Difference%
Overall diameter25.91"26.54"+0.63"+2.4%
Section width8.07"8.46"+0.39"+4.9%
Sidewall height6.46"6.77"+0.31"+4.9%
Circumference81.41"83.39"+1.98"+2.4%
Revolutions per mile778.3759.8−18.5−2.4%

Questions

How tall is a 205/80R13 tire?
A 205/80R13 tire is 25.9 inches tall (658 mm), calculated from the size. It is 8.1 inches wide with 6.5 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 205/80R13 mean?
205/80R13 means a tire 205 mm wide, with sidewalls 80% as tall as the tire is wide (164 mm), radial construction (R), for a 13 inch wheel.
How many revolutions per mile does a 205/80R13 tire make?
About 778 revolutions per mile, based on a circumference of 81.4 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 205/80R13 tire?
Roughly 5.5" to 7.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 235/70R13 instead of 205/80R13?
235/70R13 is +0.04 inches (+0.2%) in overall diameter, so at an indicated 60 mph you would be doing 60.1 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

Browse