165/80R13 tire size
165/80R13 is a metric size: 23.4" tall, 6.5" wide, on a 13" rim — about a 23.5x6.50R13. The sidewall is 5.2" and the tire turns 862 times per mile.
165/80R13 specs
| Overall diameter (height) | 23.39" · 594 mm |
|---|---|
| Section width | 6.50" · 165 mm |
| Sidewall height | 5.20" · 132 mm (80% of width) |
| Rim diameter | 13" |
| Circumference | 73.49" · 1.867 m |
| Revolutions per mile | 862 (536 per km) |
| Inch (flotation) equivalent | 23.5x6.50R13 |
Equivalent sizes on a 13" rim
Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 175/80R13 | 24.02" | +2.69% | +10 mm | 61.6 mph | calculate → |
| 155/80R13 | 22.76" | -2.69% | -10 mm | 58.4 mph | calculate → |
| 185/70R13 | 23.20" | -0.84% | +20 mm | 59.5 mph | calculate → |
| 195/70R13 | 23.75" | +1.51% | +30 mm | 60.9 mph | calculate → |
Try another size against 165/80R13
Questions
What size is 165/80R13 in inches?
165/80R13 is about 23.4" tall and 6.5" wide on a 13-inch rim — roughly a 23.5x6.50R13 in inch sizing.
What does 165/80R13 mean?
165 mm section width, sidewall 80% of the width (5.20"), radial construction, 13-inch rim.
What tire sizes are equivalent to 165/80R13?
On the same 13" rim, within 3% of the diameter: 185/70R13 (-0.84%), 195/70R13 (+1.51%), 175/80R13 (+2.69%), 155/80R13 (-2.69%).
How many revolutions per mile does a 165/80R13 tire make?
About 862 revolutions per mile (circumference 73.5").
How these numbers are computed
Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.