255/50R19 Tire Size
Dimensions of a 255/50R19 tire in inches and millimeters, with equivalent and plus sizes.
255/50R19 dimensions
A 255/50R19 tire is 255 mm wide with a sidewall that is 50% of the width (128 mm), mounted on a 19-inch rim. Its overall diameter is about 29.04 inches (738 mm), so it is roughly a 29.0-inch tall tire.
| Overall diameter | 29.04 in | 738 mm |
|---|---|---|
| Section width | 10.04 in | 255 mm |
| Sidewall height | 5.02 in | 127.5 mm |
| Rim diameter | 19 in | 483 mm |
| Circumference | 91.2 in | 2317 mm |
| Revolutions | 695 per mile | 432 per km |
Equivalent sizes on a 19-inch rim
These sizes stay within ±3% of the 255/50R19 diameter on the same rim — the range most tire shops use. Not every size is made in every tire model, and only sizes approved for your vehicle (with the right load and speed rating) should be fitted.
| Size | Diameter | mm | Difference |
|---|---|---|---|
| 235/55R19 | 29.18 in | 741 mm | +0.5% |
| 275/45R19 | 28.74 in | 730 mm | -1.0% |
| 245/50R19 | 28.65 in | 728 mm | -1.4% |
| 265/50R19 | 29.43 in | 748 mm | +1.4% |
| 245/55R19 | 29.61 in | 752 mm | +2.0% |
| 265/45R19 | 28.39 in | 721 mm | -2.2% |
| 235/50R19 | 28.25 in | 718 mm | -2.7% |
| 275/50R19 | 29.83 in | 758 mm | +2.7% |
Plus and minus sizes
Changing the rim size? These options on 18-, 20- and 21-inch rims keep the overall diameter within ±3%.
| Size | Diameter | mm | Difference |
|---|---|---|---|
| 255/45R20 | 29.04 in | 738 mm | -0.0% |
| 255/55R18 | 29.04 in | 738 mm | +0.0% |
| 255/40R21 | 29.03 in | 737 mm | -0.0% |
| 285/40R20 | 28.98 in | 736 mm | -0.2% |
| 285/50R18 | 29.22 in | 742 mm | +0.6% |
| 285/35R21 | 28.85 in | 733 mm | -0.6% |
| 275/50R18 | 28.83 in | 732 mm | -0.7% |
| 265/40R21 | 29.35 in | 745 mm | +1.1% |
| 245/40R21 | 28.72 in | 729 mm | -1.1% |
| 265/45R20 | 29.39 in | 746 mm | +1.2% |
Compare 255/50R19 with another size →
Frequently asked questions
How tall is a 255/50R19 tire?
About 29.04 inches (738 mm) in overall diameter.
How wide is a 255/50R19 tire?
The section width is 255 mm, about 10.0 inches.
What size can replace 255/50R19?
On the same rim, 235/55R19 is the closest size (+0.5% diameter). Use only sizes approved for your vehicle.
How many revolutions per mile does a 255/50R19 tire make?
About 695 revolutions per mile (432 per km).
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