155/70R19 tire size
155/70R19 is a metric size: 27.5" tall, 6.1" wide, on a 19" rim — about a 27.5x6.00R19. The sidewall is 4.3" and the tire turns 732 times per mile.
155/70R19 specs
| Overall diameter (height) | 27.54" · 700 mm |
|---|---|
| Section width | 6.10" · 155 mm |
| Sidewall height | 4.27" · 109 mm (70% of width) |
| Rim diameter | 19" |
| Circumference | 86.53" · 2.198 m |
| Revolutions per mile | 732 (455 per km) |
| Inch (flotation) equivalent | 27.5x6.00R19 |
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 | |
|---|---|---|---|---|---|
| 245/45R19 common | 27.68" | +0.50% | +90 mm | 60.3 mph | calculate → |
| 245/40R19 common | 26.72" | -3.00% | +90 mm | 58.2 mph | calculate → |
| 235/40R19 common | 26.40" | -4.15% | +80 mm | 57.5 mph | calculate → |
| 255/40R19 common | 27.03" | -1.86% | +100 mm | 58.9 mph | calculate → |
| 255/45R19 common | 28.04" | +1.79% | +100 mm | 61.1 mph | calculate → |
| 275/35R19 common | 26.58" | -3.50% | +120 mm | 57.9 mph | calculate → |
| 225/55R19 common | 28.74" | +4.36% | +70 mm | 62.6 mph | calculate → |
| 275/40R19 common | 27.66" | +0.43% | +120 mm | 60.3 mph | calculate → |
| 225/45R19 common | 26.97" | -2.07% | +70 mm | 58.8 mph | calculate → |
| 235/50R19 common | 28.25" | +2.57% | +80 mm | 61.5 mph | calculate → |
| 285/35R19 common | 26.85" | -2.50% | +130 mm | 58.5 mph | calculate → |
| 235/45R19 common | 27.33" | -0.79% | +80 mm | 59.5 mph | calculate → |
| 265/35R19 common | 26.30" | -4.50% | +110 mm | 57.3 mph | calculate → |
| 245/50R19 common | 28.65" | +4.00% | +90 mm | 62.4 mph | calculate → |
| 305/30R19 | 26.20" | -4.86% | +150 mm | 57.1 mph | calculate → |
| 285/40R19 | 27.98" | +1.57% | +130 mm | 60.9 mph | calculate → |
| 265/40R19 | 27.35" | -0.71% | +110 mm | 59.6 mph | calculate → |
| 325/30R19 | 26.68" | -3.14% | +170 mm | 58.1 mph | calculate → |
| 275/45R19 | 28.74" | +4.36% | +120 mm | 62.6 mph | calculate → |
| 295/35R19 | 27.13" | -1.50% | +140 mm | 59.1 mph | calculate → |
| 345/30R19 | 27.15" | -1.43% | +190 mm | 59.1 mph | calculate → |
| 315/30R19 | 26.44" | -4.00% | +160 mm | 57.6 mph | calculate → |
| 295/40R19 | 28.29" | +2.72% | +140 mm | 61.6 mph | calculate → |
| 305/35R19 | 27.41" | -0.50% | +150 mm | 59.7 mph | calculate → |
| 265/45R19 | 28.39" | +3.07% | +110 mm | 61.8 mph | calculate → |
| 355/30R19 | 27.39" | -0.57% | +200 mm | 59.7 mph | calculate → |
| 215/50R19 | 27.46" | -0.29% | +60 mm | 59.8 mph | calculate → |
| 345/35R19 | 28.51" | +3.50% | +190 mm | 62.1 mph | calculate → |
| 175/60R19 | 27.27" | -1.00% | +20 mm | 59.4 mph | calculate → |
| 195/50R19 | 26.68" | -3.14% | +40 mm | 58.1 mph | calculate → |
| 315/35R19 | 27.68" | +0.50% | +160 mm | 60.3 mph | calculate → |
| 335/30R19 | 26.91" | -2.29% | +180 mm | 58.6 mph | calculate → |
| 155/80R19 | 28.76" | +4.43% | 0 mm | 62.7 mph | calculate → |
| 225/50R19 | 27.86" | +1.14% | +70 mm | 60.7 mph | calculate → |
| 145/80R19 | 28.13" | +2.14% | -10 mm | 61.3 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 | |
|---|---|---|---|---|---|
| 225/55R18 common | 27.74" | +0.73% | +70 mm | 60.4 mph | calculate → |
| 245/40R20 common | 27.72" | +0.63% | +90 mm | 60.4 mph | calculate → |
| 275/35R20 common | 27.58" | +0.13% | +120 mm | 60.1 mph | calculate → |
| 245/50R18 common | 27.65" | +0.37% | +90 mm | 60.2 mph | calculate → |
| 215/55R18 common | 27.31" | -0.84% | +60 mm | 59.5 mph | calculate → |
| 265/35R20 common | 27.30" | -0.87% | +110 mm | 59.5 mph | calculate → |
| 315/30R20 | 27.44" | -0.37% | +160 mm | 59.8 mph | calculate → |
| 275/45R18 | 27.74" | +0.73% | +120 mm | 60.4 mph | calculate → |
| 265/45R18 | 27.39" | -0.56% | +110 mm | 59.7 mph | calculate → |
| 295/40R18 | 27.29" | -0.91% | +140 mm | 59.5 mph | calculate → |
| 235/40R20 | 27.40" | -0.51% | +80 mm | 59.7 mph | calculate → |
| 345/35R18 | 27.51" | -0.13% | +190 mm | 59.9 mph | calculate → |
| 325/30R20 | 27.68" | +0.49% | +170 mm | 60.3 mph | calculate → |
| 215/45R20 | 27.62" | +0.27% | +60 mm | 60.2 mph | calculate → |
| 305/40R18 | 27.61" | +0.23% | +150 mm | 60.1 mph | calculate → |
| 195/50R20 | 27.68" | +0.49% | +40 mm | 60.3 mph | calculate → |
| 175/55R20 | 27.58" | +0.13% | +20 mm | 60.1 mph | calculate → |
| 145/65R20 | 27.42" | -0.44% | -10 mm | 59.7 mph | calculate → |
| 145/85R18 | 27.70" | +0.59% | -10 mm | 60.4 mph | calculate → |
| 155/60R20 | 27.32" | -0.80% | 0 mm | 59.5 mph | calculate → |
| 205/60R18 | 27.69" | +0.51% | +50 mm | 60.3 mph | calculate → |
| 165/60R20 | 27.80" | +0.91% | +10 mm | 60.5 mph | calculate → |
Try another size against 155/70R19
Questions
What size is 155/70R19 in inches?
155/70R19 is about 27.5" tall and 6.1" wide on a 19-inch rim — roughly a 27.5x6.00R19 in inch sizing.
What does 155/70R19 mean?
155 mm section width, sidewall 70% of the width (4.27"), radial construction, 19-inch rim.
What tire sizes are equivalent to 155/70R19?
On the same 19" rim, within 3% of the diameter: 215/50R19 (-0.29%), 275/40R19 (+0.43%), 245/45R19 (+0.50%), 305/35R19 (-0.50%), 315/35R19 (+0.50%), 355/30R19 (-0.57%).
How many revolutions per mile does a 155/70R19 tire make?
About 732 revolutions per mile (circumference 86.5").
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.