265/55R19 tire size
265/55R19 is a metric size: 30.5" tall, 10.4" wide, on a 19" rim — about a 30.5x10.50R19. The sidewall is 5.7" and the tire turns 662 times per mile.
265/55R19 specs
| Overall diameter (height) | 30.48" · 774 mm |
|---|---|
| Section width | 10.43" · 265 mm |
| Sidewall height | 5.74" · 146 mm (55% of width) |
| Rim diameter | 19" |
| Circumference | 95.74" · 2.432 m |
| Revolutions per mile | 662 (411 per km) |
| Inch (flotation) equivalent | 30.5x10.50R19 |
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" | -4.26% | -30 mm | 57.4 mph | compare → |
| 255/50R19 common | 29.04" | -4.72% | -10 mm | 57.2 mph | compare → |
| 245/55R19 common | 29.61" | -2.84% | -20 mm | 58.3 mph | compare → |
| 255/55R19 common | 30.04" | -1.42% | -10 mm | 59.1 mph | compare → |
| 255/60R19 common | 31.05" | +1.87% | -10 mm | 61.1 mph | compare → |
| 265/50R19 common | 29.43" | -3.42% | 0 mm | 57.9 mph | compare → |
| 275/55R19 | 30.91" | +1.42% | +10 mm | 60.9 mph | compare → |
| 285/45R19 | 29.10" | -4.52% | +20 mm | 57.3 mph | compare → |
| 275/50R19 | 29.83" | -2.13% | +10 mm | 58.7 mph | compare → |
| 235/60R19 | 30.10" | -1.23% | -30 mm | 59.3 mph | calculate → |
| 295/45R19 | 29.45" | -3.36% | +30 mm | 58.0 mph | calculate → |
| 235/65R19 | 31.03" | +1.81% | -30 mm | 61.1 mph | calculate → |
| 165/90R19 | 30.69" | +0.71% | -100 mm | 60.4 mph | calculate → |
| 175/80R19 | 30.02" | -1.49% | -90 mm | 59.1 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 | |
|---|---|---|---|---|---|
| 265/60R18 common | 30.52" | +0.14% | 0 mm | 60.1 mph | compare → |
| 265/50R20 common | 30.43" | -0.14% | 0 mm | 59.9 mph | compare → |
| 235/55R20 common | 30.18" | -0.98% | -30 mm | 59.4 mph | compare → |
| 295/45R20 | 30.45" | -0.08% | +30 mm | 60.0 mph | compare → |
| 245/65R18 | 30.54" | +0.21% | -20 mm | 60.1 mph | calculate → |
| 175/90R18 | 30.40" | -0.25% | -90 mm | 59.9 mph | calculate → |
| 285/55R18 | 30.34" | -0.44% | +20 mm | 59.7 mph | calculate → |
Try another size against 265/55R19
Questions
What size is 265/55R19 in inches?
265/55R19 is about 30.5" tall and 10.4" wide on a 19-inch rim — roughly a 30.5x10.50R19 in inch sizing.
What does 265/55R19 mean?
265 mm section width, sidewall 55% of the width (5.74"), radial construction, 19-inch rim.
What tire sizes are equivalent to 265/55R19?
On the same 19" rim, within 3% of the diameter: 165/90R19 (+0.71%), 235/60R19 (-1.23%), 255/55R19 (-1.42%), 275/55R19 (+1.42%), 175/80R19 (-1.49%), 235/65R19 (+1.81%).
How many revolutions per mile does a 265/55R19 tire make?
About 662 revolutions per mile (circumference 95.7").
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.