225/50R19 tire size
225/50R19 is a metric size: 27.9" tall, 8.9" wide, on a 19" rim — about a 28x9.00R19. The sidewall is 4.4" and the tire turns 724 times per mile.
225/50R19 specs
| Overall diameter (height) | 27.86" · 708 mm |
|---|---|
| Section width | 8.86" · 225 mm |
| Sidewall height | 4.43" · 113 mm (50% of width) |
| Rim diameter | 19" |
| Circumference | 87.52" · 2.223 m |
| Revolutions per mile | 724 (450 per km) |
| Inch (flotation) equivalent | 28x9.00R19 |
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" | +4.73% | +10 mm | 62.8 mph | calculate → |
| 245/45R19 common | 27.68" | -0.64% | +20 mm | 59.6 mph | calculate → |
| 245/40R19 common | 26.72" | -4.10% | +20 mm | 57.5 mph | calculate → |
| 255/50R19 common | 29.04" | +4.24% | +30 mm | 62.5 mph | calculate → |
| 255/40R19 common | 27.03" | -2.97% | +30 mm | 58.2 mph | calculate → |
| 255/45R19 common | 28.04" | +0.64% | +30 mm | 60.4 mph | calculate → |
| 275/35R19 common | 26.58" | -4.59% | +50 mm | 57.2 mph | calculate → |
| 225/55R19 common | 28.74" | +3.18% | 0 mm | 61.9 mph | calculate → |
| 275/40R19 common | 27.66" | -0.71% | +50 mm | 59.6 mph | calculate → |
| 225/45R19 common | 26.97" | -3.18% | 0 mm | 58.1 mph | calculate → |
| 235/50R19 common | 28.25" | +1.41% | +10 mm | 60.8 mph | calculate → |
| 285/35R19 common | 26.85" | -3.60% | +60 mm | 57.8 mph | calculate → |
| 235/45R19 common | 27.33" | -1.91% | +10 mm | 58.9 mph | calculate → |
| 245/50R19 common | 28.65" | +2.83% | +20 mm | 61.7 mph | calculate → |
| 285/40R19 | 27.98" | +0.42% | +60 mm | 60.3 mph | calculate → |
| 265/40R19 | 27.35" | -1.84% | +40 mm | 58.9 mph | calculate → |
| 325/30R19 | 26.68" | -4.24% | +100 mm | 57.5 mph | calculate → |
| 275/45R19 | 28.74" | +3.18% | +50 mm | 61.9 mph | calculate → |
| 295/35R19 | 27.13" | -2.61% | +70 mm | 58.4 mph | calculate → |
| 285/45R19 | 29.10" | +4.45% | +60 mm | 62.7 mph | calculate → |
| 345/30R19 | 27.15" | -2.54% | +120 mm | 58.5 mph | calculate → |
| 295/40R19 | 28.29" | +1.55% | +70 mm | 60.9 mph | calculate → |
| 305/35R19 | 27.41" | -1.63% | +80 mm | 59.0 mph | calculate → |
| 265/45R19 | 28.39" | +1.91% | +40 mm | 61.1 mph | calculate → |
| 155/70R19 | 27.54" | -1.13% | -70 mm | 59.3 mph | calculate → |
| 355/30R19 | 27.39" | -1.70% | +130 mm | 59.0 mph | calculate → |
| 215/50R19 | 27.46" | -1.41% | -10 mm | 59.2 mph | calculate → |
| 345/35R19 | 28.51" | +2.33% | +120 mm | 61.4 mph | calculate → |
| 175/60R19 | 27.27" | -2.12% | -50 mm | 58.7 mph | calculate → |
| 195/50R19 | 26.68" | -4.24% | -30 mm | 57.5 mph | calculate → |
| 315/35R19 | 27.68" | -0.64% | +90 mm | 59.6 mph | calculate → |
| 155/80R19 | 28.76" | +3.25% | -70 mm | 62.0 mph | calculate → |
| 335/30R19 | 26.91" | -3.39% | +110 mm | 58.0 mph | calculate → |
| 315/40R19 | 28.92" | +3.82% | +90 mm | 62.3 mph | calculate → |
| 145/80R19 | 28.13" | +0.99% | -80 mm | 60.6 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 | |
|---|---|---|---|---|---|
| 225/55R18 common | 27.74" | -0.41% | 0 mm | 59.8 mph | calculate → |
| 245/40R20 common | 27.72" | -0.51% | +20 mm | 59.7 mph | calculate → |
| 255/40R20 common | 28.03" | +0.62% | +30 mm | 60.4 mph | calculate → |
| 245/50R18 common | 27.65" | -0.76% | +20 mm | 59.5 mph | calculate → |
| 285/35R20 common | 27.85" | -0.01% | +60 mm | 60.0 mph | calculate → |
| 295/35R20 | 28.13" | +0.98% | +70 mm | 60.6 mph | calculate → |
| 275/45R18 | 27.74" | -0.41% | +50 mm | 59.8 mph | calculate → |
| 335/30R20 | 27.91" | +0.20% | +110 mm | 60.1 mph | calculate → |
| 325/30R20 | 27.68" | -0.65% | +100 mm | 59.6 mph | calculate → |
| 255/50R18 | 28.04" | +0.65% | +30 mm | 60.4 mph | calculate → |
| 215/45R20 | 27.62" | -0.86% | -10 mm | 59.5 mph | calculate → |
| 315/40R18 | 27.92" | +0.23% | +90 mm | 60.1 mph | calculate → |
| 195/50R20 | 27.68" | -0.65% | -30 mm | 59.6 mph | calculate → |
| 305/40R18 | 27.61" | -0.90% | +80 mm | 59.5 mph | calculate → |
| 28x12.00R18 | 28.00" | +0.51% | +80 mm | 60.3 mph | calculate → |
| 145/85R18 | 27.70" | -0.55% | -80 mm | 59.7 mph | calculate → |
| 285/45R18 | 28.10" | +0.86% | +60 mm | 60.5 mph | calculate → |
| 165/60R20 | 27.80" | -0.23% | -60 mm | 59.9 mph | calculate → |
| 155/65R20 | 27.93" | +0.27% | -70 mm | 60.2 mph | calculate → |
| 225/45R20 | 27.97" | +0.41% | 0 mm | 60.2 mph | calculate → |
| 28x10.00R18 | 28.00" | +0.51% | +29 mm | 60.3 mph | calculate → |
| 205/60R18 | 27.69" | -0.62% | -20 mm | 59.6 mph | calculate → |
Try another size against 225/50R19
Questions
What size is 225/50R19 in inches?
225/50R19 is about 27.9" tall and 8.9" wide on a 19-inch rim — roughly a 28x9.00R19 in inch sizing.
What does 225/50R19 mean?
225 mm section width, sidewall 50% of the width (4.43"), radial construction, 19-inch rim.
What tire sizes are equivalent to 225/50R19?
On the same 19" rim, within 3% of the diameter: 285/40R19 (+0.42%), 245/45R19 (-0.64%), 255/45R19 (+0.64%), 315/35R19 (-0.64%), 275/40R19 (-0.71%), 145/80R19 (+0.99%).
How many revolutions per mile does a 225/50R19 tire make?
About 724 revolutions per mile (circumference 87.5").
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.