155/80R13 tire size
155/80R13 is a metric size: 22.8" tall, 6.1" wide, on a 13" rim — about a 23x6.00R13. The sidewall is 4.9" and the tire turns 886 times per mile.
155/80R13 specs
| Overall diameter (height) | 22.76" · 578 mm |
|---|---|
| Section width | 6.10" · 155 mm |
| Sidewall height | 4.88" · 124 mm (80% of width) |
| Rim diameter | 13" |
| Circumference | 71.51" · 1.816 m |
| Revolutions per mile | 886 (551 per km) |
| Inch (flotation) equivalent | 23x6.00R13 |
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 | |
|---|---|---|---|---|---|
| 175/70R13 | 22.65" | -0.52% | +20 mm | 59.7 mph | calculate → |
| 205/60R13 | 22.69" | -0.35% | +50 mm | 59.8 mph | calculate → |
| 185/70R13 | 23.20" | +1.90% | +30 mm | 61.1 mph | calculate → |
| 185/65R13 | 22.47" | -1.30% | +30 mm | 59.2 mph | calculate → |
| 145R13 | 22.36" | -1.76% | -10 mm | 58.9 mph | calculate → |
| 165/80R13 | 23.39" | +2.77% | +10 mm | 61.7 mph | calculate → |
Try another size against 155/80R13
Questions
What size is 155/80R13 in inches?
155/80R13 is about 22.8" tall and 6.1" wide on a 13-inch rim — roughly a 23x6.00R13 in inch sizing.
What does 155/80R13 mean?
155 mm section width, sidewall 80% of the width (4.88"), radial construction, 13-inch rim.
What tire sizes are equivalent to 155/80R13?
On the same 13" rim, within 3% of the diameter: 205/60R13 (-0.35%), 175/70R13 (-0.52%), 185/65R13 (-1.30%), 145R13 (-1.76%), 185/70R13 (+1.90%), 165/80R13 (+2.77%).
How many revolutions per mile does a 155/80R13 tire make?
About 886 revolutions per mile (circumference 71.5").
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.