235/50R19 tire size
235/50R19 is a metric size: 28.3" tall, 9.3" wide, on a 19" rim — about a 28.5x9.50R19. The sidewall is 4.6" and the tire turns 714 times per mile.
235/50R19 specs
| Overall diameter (height) | 28.25" · 718 mm |
|---|---|
| Section width | 9.25" · 235 mm |
| Sidewall height | 4.63" · 118 mm (50% of width) |
| Rim diameter | 19" |
| Circumference | 88.76" · 2.254 m |
| Revolutions per mile | 714 (444 per km) |
| Inch (flotation) equivalent | 28.5x9.50R19 |
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" | +3.27% | 0 mm | 62.0 mph | compare → |
| 245/45R19 common | 27.68" | -2.02% | +10 mm | 58.8 mph | compare → |
| 255/50R19 common | 29.04" | +2.79% | +20 mm | 61.7 mph | compare → |
| 255/40R19 common | 27.03" | -4.32% | +20 mm | 57.4 mph | compare → |
| 255/45R19 common | 28.04" | -0.77% | +20 mm | 59.5 mph | compare → |
| 225/55R19 common | 28.74" | +1.74% | -10 mm | 61.0 mph | compare → |
| 275/40R19 common | 27.66" | -2.09% | +40 mm | 58.7 mph | compare → |
| 225/45R19 common | 26.97" | -4.53% | -10 mm | 57.3 mph | compare → |
| 245/55R19 common | 29.61" | +4.81% | +10 mm | 62.9 mph | compare → |
| 285/35R19 common | 26.85" | -4.95% | +50 mm | 57.0 mph | compare → |
| 235/45R19 common | 27.33" | -3.27% | 0 mm | 58.0 mph | compare → |
| 265/50R19 common | 29.43" | +4.18% | +30 mm | 62.5 mph | compare → |
| 245/50R19 common | 28.65" | +1.39% | +10 mm | 60.8 mph | compare → |
| 285/40R19 | 27.98" | -0.98% | +50 mm | 59.4 mph | compare → |
| 265/40R19 | 27.35" | -3.21% | +30 mm | 58.1 mph | compare → |
| 275/45R19 | 28.74" | +1.74% | +40 mm | 61.0 mph | compare → |
| 295/35R19 | 27.13" | -3.97% | +60 mm | 57.6 mph | compare → |
| 285/45R19 | 29.10" | +3.00% | +50 mm | 61.8 mph | compare → |
| 345/30R19 | 27.15" | -3.90% | +110 mm | 57.7 mph | compare → |
| 295/40R19 | 28.29" | +0.14% | +60 mm | 60.1 mph | compare → |
| 265/45R19 | 28.39" | +0.49% | +30 mm | 60.3 mph | calculate → |
| 305/35R19 | 27.41" | -3.00% | +70 mm | 58.2 mph | calculate → |
| 155/70R19 | 27.54" | -2.51% | -80 mm | 58.5 mph | calculate → |
| 355/30R19 | 27.39" | -3.07% | +120 mm | 58.2 mph | calculate → |
| 295/45R19 | 29.45" | +4.25% | +60 mm | 62.6 mph | calculate → |
| 345/35R19 | 28.51" | +0.91% | +110 mm | 60.5 mph | calculate → |
| 215/50R19 | 27.46" | -2.79% | -20 mm | 58.3 mph | calculate → |
| 175/60R19 | 27.27" | -3.48% | -60 mm | 57.9 mph | calculate → |
| 155/80R19 | 28.76" | +1.81% | -80 mm | 61.1 mph | calculate → |
| 315/35R19 | 27.68" | -2.02% | +80 mm | 58.8 mph | calculate → |
| 315/40R19 | 28.92" | +2.37% | +80 mm | 61.4 mph | calculate → |
| 335/30R19 | 26.91" | -4.74% | +100 mm | 57.2 mph | calculate → |
| 145/80R19 | 28.13" | -0.42% | -90 mm | 59.7 mph | calculate → |
| 225/50R19 | 27.86" | -1.39% | -10 mm | 59.2 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 | |
|---|---|---|---|---|---|
| 235/55R18 common | 28.18" | -0.26% | 0 mm | 59.8 mph | compare → |
| 255/40R20 common | 28.03" | -0.78% | +20 mm | 59.5 mph | compare → |
| 295/35R20 | 28.13" | -0.43% | +60 mm | 59.7 mph | compare → |
| 305/35R20 | 28.41" | +0.54% | +70 mm | 60.3 mph | compare → |
| 235/45R20 | 28.33" | +0.26% | 0 mm | 60.2 mph | compare → |
| 265/40R20 | 28.35" | +0.33% | +30 mm | 60.2 mph | compare → |
| 345/30R20 | 28.15" | -0.36% | +110 mm | 59.8 mph | calculate → |
| 295/45R18 | 28.45" | +0.71% | +60 mm | 60.4 mph | calculate → |
| 255/50R18 | 28.04" | -0.75% | +20 mm | 59.5 mph | calculate → |
| 215/60R18 | 28.16" | -0.33% | -20 mm | 59.8 mph | calculate → |
| 155/85R18 | 28.37" | +0.43% | -80 mm | 60.3 mph | calculate → |
| 285/45R18 | 28.10" | -0.54% | +50 mm | 59.7 mph | calculate → |
| 28x12.00R18 | 28.00" | -0.89% | +70 mm | 59.5 mph | calculate → |
| 265/50R18 | 28.43" | +0.64% | +30 mm | 60.4 mph | calculate → |
| 195/55R20 | 28.44" | +0.68% | -40 mm | 60.4 mph | calculate → |
| 28x10.00R18 | 28.00" | -0.89% | +19 mm | 59.5 mph | calculate → |
| 225/45R20 | 27.97" | -0.99% | -10 mm | 59.4 mph | calculate → |
Try another size against 235/50R19
Questions
What size is 235/50R19 in inches?
235/50R19 is about 28.3" tall and 9.3" wide on a 19-inch rim — roughly a 28.5x9.50R19 in inch sizing.
What does 235/50R19 mean?
235 mm section width, sidewall 50% of the width (4.63"), radial construction, 19-inch rim.
What tire sizes are equivalent to 235/50R19?
On the same 19" rim, within 3% of the diameter: 295/40R19 (+0.14%), 145/80R19 (-0.42%), 265/45R19 (+0.49%), 255/45R19 (-0.77%), 345/35R19 (+0.91%), 285/40R19 (-0.98%).
How many revolutions per mile does a 235/50R19 tire make?
About 714 revolutions per mile (circumference 88.8").
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.