155/80R19 tire size
155/80R19 is a metric size: 28.8" tall, 6.1" wide, on a 19" rim — about a 29x6.00R19. The sidewall is 4.9" and the tire turns 701 times per mile.
155/80R19 specs
| Overall diameter (height) | 28.76" · 731 mm |
|---|---|
| Section width | 6.10" · 155 mm |
| Sidewall height | 4.88" · 124 mm (80% of width) |
| Rim diameter | 19" |
| Circumference | 90.36" · 2.295 m |
| Revolutions per mile | 701 (436 per km) |
| Inch (flotation) equivalent | 29x6.00R19 |
Equivalent sizes on a 19" 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 | |
|---|---|---|---|---|---|
| 235/55R19 common | 29.18" | +1.44% | +80 mm | 60.9 mph | calculate → |
| 245/45R19 common | 27.68" | -3.76% | +90 mm | 57.7 mph | calculate → |
| 255/50R19 common | 29.04" | +0.96% | +100 mm | 60.6 mph | calculate → |
| 255/45R19 common | 28.04" | -2.53% | +100 mm | 58.5 mph | calculate → |
| 225/55R19 common | 28.74" | -0.07% | +70 mm | 60.0 mph | calculate → |
| 275/40R19 common | 27.66" | -3.83% | +120 mm | 57.7 mph | calculate → |
| 235/50R19 common | 28.25" | -1.78% | +80 mm | 58.9 mph | calculate → |
| 245/55R19 common | 29.61" | +2.94% | +90 mm | 61.8 mph | calculate → |
| 255/55R19 common | 30.04" | +4.45% | +100 mm | 62.7 mph | calculate → |
| 235/45R19 common | 27.33" | -5.00% | +80 mm | 57.0 mph | calculate → |
| 265/50R19 common | 29.43" | +2.33% | +110 mm | 61.4 mph | calculate → |
| 245/50R19 common | 28.65" | -0.41% | +90 mm | 59.8 mph | calculate → |
| 285/40R19 | 27.98" | -2.74% | +130 mm | 58.4 mph | calculate → |
| 265/40R19 | 27.35" | -4.93% | +110 mm | 57.0 mph | calculate → |
| 275/45R19 | 28.74" | -0.07% | +120 mm | 60.0 mph | calculate → |
| 285/45R19 | 29.10" | +1.16% | +130 mm | 60.7 mph | calculate → |
| 275/50R19 | 29.83" | +3.70% | +120 mm | 62.2 mph | calculate → |
| 295/40R19 | 28.29" | -1.64% | +140 mm | 59.0 mph | calculate → |
| 265/45R19 | 28.39" | -1.30% | +110 mm | 59.2 mph | calculate → |
| 235/60R19 | 30.10" | +4.65% | +80 mm | 62.8 mph | calculate → |
| 305/35R19 | 27.41" | -4.72% | +150 mm | 57.2 mph | calculate → |
| 155/70R19 | 27.54" | -4.24% | 0 mm | 57.5 mph | calculate → |
| 295/45R19 | 29.45" | +2.40% | +140 mm | 61.4 mph | calculate → |
| 355/30R19 | 27.39" | -4.79% | +200 mm | 57.1 mph | calculate → |
| 345/35R19 | 28.51" | -0.89% | +190 mm | 59.5 mph | calculate → |
| 215/50R19 | 27.46" | -4.52% | +60 mm | 57.3 mph | calculate → |
| 315/40R19 | 28.92" | +0.55% | +160 mm | 60.3 mph | calculate → |
| 315/35R19 | 27.68" | -3.76% | +160 mm | 57.7 mph | calculate → |
| 175/80R19 | 30.02" | +4.38% | +20 mm | 62.6 mph | calculate → |
| 145/80R19 | 28.13" | -2.19% | -10 mm | 58.7 mph | calculate → |
| 225/50R19 | 27.86" | -3.15% | +70 mm | 58.1 mph | calculate → |
Plus / minus sizing: 18" and 20" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 225/60R18 common | 28.63" | -0.47% | +70 mm | 59.7 mph | calculate → |
| 245/45R20 common | 28.68" | -0.29% | +90 mm | 59.8 mph | calculate → |
| 255/45R20 common | 29.04" | +0.94% | +100 mm | 60.6 mph | calculate → |
| 275/40R20 common | 28.66" | -0.36% | +120 mm | 59.8 mph | calculate → |
| 255/55R18 common | 29.04" | +0.97% | +100 mm | 60.6 mph | calculate → |
| 315/35R20 common | 28.68" | -0.29% | +160 mm | 59.8 mph | calculate → |
| 245/55R18 | 28.61" | -0.53% | +90 mm | 59.7 mph | calculate → |
| 285/40R20 | 28.98" | +0.74% | +130 mm | 60.4 mph | calculate → |
| 155/90R18 | 28.98" | +0.77% | 0 mm | 60.5 mph | calculate → |
| 305/45R18 | 28.81" | +0.15% | +150 mm | 60.1 mph | calculate → |
| 325/35R20 | 28.96" | +0.67% | +170 mm | 60.4 mph | calculate → |
| 29x15.00R20 | 29.00" | +0.82% | +226 mm | 60.5 mph | calculate → |
| 29x18.00R20 | 29.00" | +0.82% | +302 mm | 60.5 mph | calculate → |
Try another size against 155/80R19
Questions
What size is 155/80R19 in inches?
155/80R19 is about 28.8" tall and 6.1" wide on a 19-inch rim — roughly a 29x6.00R19 in inch sizing.
What does 155/80R19 mean?
155 mm section width, sidewall 80% of the width (4.88"), radial construction, 19-inch rim.
What tire sizes are equivalent to 155/80R19?
On the same 19" rim, within 3% of the diameter: 225/55R19 (-0.07%), 275/45R19 (-0.07%), 245/50R19 (-0.41%), 315/40R19 (+0.55%), 345/35R19 (-0.89%), 255/50R19 (+0.96%).
How many revolutions per mile does a 155/80R19 tire make?
About 701 revolutions per mile (circumference 90.4").
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.