305/35R19 tire size
305/35R19 is a metric size: 27.4" tall, 12.0" wide, on a 19" rim — about a 27.5x12.00R19. The sidewall is 4.2" and the tire turns 736 times per mile.
305/35R19 specs
| Overall diameter (height) | 27.41" · 696 mm |
|---|---|
| Section width | 12.01" · 305 mm |
| Sidewall height | 4.20" · 107 mm (35% of width) |
| Rim diameter | 19" |
| Circumference | 86.10" · 2.187 m |
| Revolutions per mile | 736 (457 per km) |
| Inch (flotation) equivalent | 27.5x12.00R19 |
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" | +1.01% | -60 mm | 60.6 mph | calculate → |
| 245/40R19 common | 26.72" | -2.51% | -60 mm | 58.5 mph | calculate → |
| 235/40R19 common | 26.40" | -3.66% | -70 mm | 57.8 mph | calculate → |
| 255/40R19 common | 27.03" | -1.36% | -50 mm | 59.2 mph | calculate → |
| 255/45R19 common | 28.04" | +2.30% | -50 mm | 61.4 mph | calculate → |
| 275/35R19 common | 26.58" | -3.02% | -30 mm | 58.2 mph | calculate → |
| 225/55R19 common | 28.74" | +4.88% | -80 mm | 62.9 mph | calculate → |
| 275/40R19 common | 27.66" | +0.93% | -30 mm | 60.6 mph | calculate → |
| 225/40R19 common | 26.09" | -4.81% | -80 mm | 57.1 mph | calculate → |
| 225/45R19 common | 26.97" | -1.58% | -80 mm | 59.1 mph | calculate → |
| 235/50R19 common | 28.25" | +3.09% | -70 mm | 61.9 mph | calculate → |
| 285/35R19 common | 26.85" | -2.01% | -20 mm | 58.8 mph | calculate → |
| 235/45R19 common | 27.33" | -0.29% | -70 mm | 59.8 mph | calculate → |
| 265/35R19 common | 26.30" | -4.02% | -40 mm | 57.6 mph | calculate → |
| 245/50R19 common | 28.65" | +4.53% | -60 mm | 62.7 mph | calculate → |
| 305/30R19 | 26.20" | -4.38% | 0 mm | 57.4 mph | calculate → |
| 285/40R19 | 27.98" | +2.08% | -20 mm | 61.2 mph | calculate → |
| 265/40R19 | 27.35" | -0.22% | -40 mm | 59.9 mph | calculate → |
| 325/30R19 | 26.68" | -2.66% | +20 mm | 58.4 mph | calculate → |
| 275/45R19 | 28.74" | +4.88% | -30 mm | 62.9 mph | calculate → |
| 295/35R19 | 27.13" | -1.01% | -10 mm | 59.4 mph | calculate → |
| 345/30R19 | 27.15" | -0.93% | +40 mm | 59.4 mph | calculate → |
| 315/30R19 | 26.44" | -3.52% | +10 mm | 57.9 mph | calculate → |
| 295/40R19 | 28.29" | +3.23% | -10 mm | 61.9 mph | calculate → |
| 265/45R19 | 28.39" | +3.59% | -40 mm | 62.2 mph | calculate → |
| 155/70R19 | 27.54" | +0.50% | -150 mm | 60.3 mph | calculate → |
| 355/30R19 | 27.39" | -0.07% | +50 mm | 60.0 mph | calculate → |
| 215/50R19 | 27.46" | +0.22% | -90 mm | 60.1 mph | calculate → |
| 345/35R19 | 28.51" | +4.02% | +40 mm | 62.4 mph | calculate → |
| 175/60R19 | 27.27" | -0.50% | -130 mm | 59.7 mph | calculate → |
| 195/50R19 | 26.68" | -2.66% | -110 mm | 58.4 mph | calculate → |
| 315/35R19 | 27.68" | +1.01% | +10 mm | 60.6 mph | calculate → |
| 335/30R19 | 26.91" | -1.80% | +30 mm | 58.9 mph | calculate → |
| 155/80R19 | 28.76" | +4.96% | -150 mm | 63.0 mph | calculate → |
| 225/50R19 | 27.86" | +1.65% | -80 mm | 61.0 mph | calculate → |
| 145/80R19 | 28.13" | +2.66% | -160 mm | 61.6 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 | |
|---|---|---|---|---|---|
| 235/50R18 common | 27.25" | -0.56% | -70 mm | 59.7 mph | calculate → |
| 275/35R20 common | 27.58" | +0.63% | -30 mm | 60.4 mph | calculate → |
| 245/50R18 common | 27.65" | +0.88% | -60 mm | 60.5 mph | calculate → |
| 215/55R18 common | 27.31" | -0.34% | -90 mm | 59.8 mph | calculate → |
| 265/35R20 common | 27.30" | -0.37% | -40 mm | 59.8 mph | calculate → |
| 305/30R20 | 27.20" | -0.73% | 0 mm | 59.6 mph | calculate → |
| 315/30R20 | 27.44" | +0.13% | +10 mm | 60.1 mph | calculate → |
| 265/45R18 | 27.39" | -0.06% | -40 mm | 60.0 mph | calculate → |
| 295/40R18 | 27.29" | -0.42% | -10 mm | 59.8 mph | calculate → |
| 235/40R20 | 27.40" | -0.01% | -70 mm | 60.0 mph | calculate → |
| 345/35R18 | 27.51" | +0.37% | +40 mm | 60.2 mph | calculate → |
| 325/30R20 | 27.68" | +0.99% | +20 mm | 60.6 mph | calculate → |
| 215/45R20 | 27.62" | +0.78% | -90 mm | 60.5 mph | calculate → |
| 305/40R18 | 27.61" | +0.73% | 0 mm | 60.4 mph | calculate → |
| 195/50R20 | 27.68" | +0.99% | -110 mm | 60.6 mph | calculate → |
| 145/65R20 | 27.42" | +0.06% | -160 mm | 60.0 mph | calculate → |
| 155/60R20 | 27.32" | -0.30% | -150 mm | 59.8 mph | calculate → |
| 175/55R20 | 27.58" | +0.63% | -130 mm | 60.4 mph | calculate → |
| 145/80R18 | 27.13" | -0.99% | -160 mm | 59.4 mph | calculate → |
| 195/60R18 | 27.21" | -0.70% | -110 mm | 59.6 mph | calculate → |
Try another size against 305/35R19
Questions
What size is 305/35R19 in inches?
305/35R19 is about 27.4" tall and 12.0" wide on a 19-inch rim — roughly a 27.5x12.00R19 in inch sizing.
What does 305/35R19 mean?
305 mm section width, sidewall 35% of the width (4.20"), radial construction, 19-inch rim.
What tire sizes are equivalent to 305/35R19?
On the same 19" rim, within 3% of the diameter: 355/30R19 (-0.07%), 215/50R19 (+0.22%), 265/40R19 (-0.22%), 235/45R19 (-0.29%), 175/60R19 (-0.50%), 155/70R19 (+0.50%).
How many revolutions per mile does a 305/35R19 tire make?
About 736 revolutions per mile (circumference 86.1").
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.