tireheight.comEvery 255 size
45 sizes for 15″ to 22″ wheels, with the heights and widths their makers list.
| Size | Height ″ | Listed width ″ | Tires |
|---|---|---|---|
| 255/60R15 | 27.1 ≈27 | 10.2 | 1 |
| 255/70R15 | 29.1 ≈29 | 10.2 | 3 |
| 255/50R16 | 26.1 | 10.4 | 3 |
| 255/65R16 | 29.1 ≈29 | 10.2 | 3 |
| 255/70R16 | 30.1 ≈30 | 10.2 | 12 |
| 255/85R16 | 33.1–33.5 ≈33 | 10.0–10.4 | 3 |
| 255/40R17 | 25.0–25.2 | 10.2–10.4 | 13 |
| 255/45R17 | 26.1 | 10.0 | 2 |
| 255/60R17 | 29.1 ≈29 | 10.2 | 2 |
| 255/65R17 | 30.1 ≈30 | 10.2 | 13 |
| 255/70R17 | 31.1 ≈31 | 10.2 | 12 |
| 255/75R17 | 32.0–32.3 ≈32 | 10.0 | 10 |
| 255/80R17 | 33.1–33.3 ≈33 | 10.0 | 5 |
| 255/85R17 | 34.6 ≈35 | 10.1 | 1 |
| 255/35R18 | 25.0–25.1 | 10.1–10.2 | 18 |
| 255/40R18 | 26.0–26.1 | 10.2–10.4 | 20 |
| 255/45R18 | 27.0–27.4 ≈27 | 10.0–10.1 | 8 |
| 255/55R18 | 29.0 ≈29 | 10.4 | 23 |
| 255/60R18 | 30.0 ≈30 | 10.2 | 14 |
| 255/65R18 | 31.0–31.1 ≈31 | 10.2 | 16 |
| 255/70R18 | 32.1–32.3 ≈32 | 10.2–10.5 | 14 |
| 255/30R19 | 25.1 | 10.2 | 5 |
| 255/35R19 | 26.0 | 10.2 | 25 |
| 255/40R19 | 27.0–27.1 ≈27 | 10.2 | 21 |
| 255/45R19 | 28.0–28.1 ≈28 | 9.8–10.0 | 18 |
| 255/50R19 | 29.0–29.1 ≈29 | 10.4 | 22 |
| 255/55R19 | 30.0 ≈30 | 10.4 | 13 |
| 255/60R19 | 31.0–31.1 ≈31 | 10.2 | 9 |
| 255/65R19 | 32.1 ≈32 | 10.2 | 3 |
| 255/30R20 | 26.1 | 10.2 | 3 |
| 255/35R20 | 27.0–27.3 ≈27 | 10.2–10.7 | 20 |
| 255/40R20 | 28.0–28.4 ≈28 | 10.2–10.3 | 22 |
| 255/45R20 | 29.0–29.1 ≈29 | 10.0 | 29 |
| 255/50R20 | 30.0–30.1 ≈30 | 10.4 | 22 |
| 255/55R20 | 31.0 ≈31 | 10.4 | 19 |
| 255/60R20 | 32.0–32.1 ≈32 | 10.2 | 7 |
| 255/30R21 | 27.1 ≈27 | 10.2 | 1 |
| 255/35R21 | 28.0 ≈28 | 10.2 | 4 |
| 255/40R21 | 29.0 ≈29 | 10.2 | 16 |
| 255/45R21 | 30.0 ≈30 | 10.0 | 5 |
| 255/50R21 | 31.0–31.1 ≈31 | 10.4 | 4 |
| 255/30R22 | 28.1 ≈28 | 10.2 | 1 |
| 255/35R22 | 29.0 ≈29 | 10.2 | 2 |
| 255/40R22 | 30.0 ≈30 | 10.2 | 2 |
| 255/45R22 | 31.1 ≈31 | 10.0 | 2 |
255 against nearby widths
Nominal widths from the size code.
Questions about 255 tires
What size is a 255 tire in inches?
10.0 inches wide (255 mm). The 255 only gives the width. Height comes from the rest of the size, so the 45 sizes of this width here run from 25.0″ to 34.6″ tall: 255/70R17 is about 31.1″, 255/70R18 is about 32.1″ and 255/45R20 is about 29.1″.
Is a 255 tire a 31?
Some are. The 255 sizes that come out about 31″ tall are 255/70R17, 255/55R20, 255/65R18 and 255/60R19. 255s as a whole run from 25.0″ to 34.6″ tall, so check the full size, not just the width.
How much wider is a 255 than a 245?
10 mm, or 0.39″ on paper: about 0.20″ more on each side.
What widths do tire makers list for 255 tires?
The size code gives 10.0″. The widths the makers publish for the 424 255 tires here run from 9.8″ to 10.7″. Toyo publishes overall width; BFGoodrich, Michelin and Mickey Thompson publish section width.