40 sizes for 15″ to 21″ wheels, with the heights and widths their makers list.
| Size | Height ″ | Listed width ″ | Tires |
|---|---|---|---|
| 235/50R15 | 24.3 | 9.6 | 1 |
| 235/60R15 | 26.1 | 9.4 | 1 |
| 235/70R15 | 28.0 ≈28 | – | 1 |
| 235/75R15 | 28.8–29.1 ≈29 | 9.2–9.3 | 13 |
| 235/60R16 | 26.6–27.1 ≈27 | 9.0–9.4 | 6 |
| 235/65R16 | 27.9–28.0 ≈28 | 9.4 | 15 |
| 235/70R16 | 28.9–29.0 ≈29 | 9.4–9.6 | 15 |
| 235/75R16 | 29.8–29.9 ≈30 | 9.3 | 2 |
| 235/85R16 | 31.7–32.0 ≈32 | 9.2–9.4 | 12 |
| 235/40R17 | 24.4 | 9.4–9.6 | 7 |
| 235/45R17 | 25.3–25.5 | 9.3–9.4 | 20 |
| 235/50R17 | 26.3–26.6 | 9.6–9.8 | 14 |
| 235/55R17 | 27.1–27.2 ≈27 | 9.4–9.7 | 19 |
| 235/60R17 | 28.1 ≈28 | 9.4 | 14 |
| 235/65R17 | 29.0–29.1 ≈29 | 9.4 | 25 |
| 235/70R17 | 30.0 ≈30 | 9.4 | 3 |
| 235/75R17 | 30.8–30.9 ≈31 | 9.2–9.3 | 3 |
| 235/80R17 | 31.8–32.0 ≈32 | 9.2–9.4 | 17 |
| 235/40R18 | 25.4–25.5 | 9.5–9.8 | 23 |
| 235/45R18 | 26.3–26.7 | 9.3–9.4 | 29 |
| 235/50R18 | 27.3–27.4 ≈27 | 9.5–9.7 | 26 |
| 235/55R18 | 28.1–28.2 ≈28 | 9.6–9.9 | 27 |
| 235/60R18 | 29.0–29.1 ≈29 | 9.4–9.5 | 35 |
| 235/65R18 | 30.0–30.1 ≈30 | 9.3–9.5 | 25 |
| 235/80R18 | 32.8 ≈33 | 9.2–9.3 | 4 |
| 235/35R19 | 25.5 | 9.5–9.6 | 17 |
| 235/40R19 | 26.4–26.5 | 9.5–9.7 | 24 |
| 235/45R19 | 27.3–27.6 ≈27 | 9.3–9.5 | 9 |
| 235/50R19 | 28.3 ≈28 | 9.6–9.7 | 17 |
| 235/55R19 | 29.1–29.5 ≈29 | 9.6–9.7 | 36 |
| 235/60R19 | 30.1 ≈30 | 9.4–9.5 | 4 |
| 235/30R20 | 25.6 | 9.5 | 1 |
| 235/35R20 | 26.5–26.6 ≈27 | 9.5–9.7 | 8 |
| 235/40R20 | 27.4–27.7 ≈28 | 9.5–9.8 | 3 |
| 235/45R20 | 28.3–28.4 ≈28 | 9.3 | 11 |
| 235/50R20 | 29.3 ≈29 | 9.6–9.7 | 8 |
| 235/55R20 | 30.1–30.2 ≈30 | 9.6–9.7 | 23 |
| 235/60R20 | 31.1 ≈31 | 9.4 | 1 |
| 235/45R21 | 29.3 ≈29 | 9.3 | 5 |
| 235/50R21 | 30.3 ≈30 | 9.7 | 3 |
Nominal widths from the size code.
9.3 inches wide (235 mm). The 235 only gives the width. Height comes from the rest of the size, so the 40 sizes of this width here run from 24.3″ to 32.8″ tall: 235/70R17 is about 30.0″, 235/75R15 is about 28.9″ and 235/65R17 is about 29.1″.
10 mm, or 0.39″ on paper: about 0.20″ more on each side.
The size code gives 9.3″. The widths the makers publish for the 432 235 tires here run from 9.0″ to 9.9″. Toyo publishes overall width; BFGoodrich, Michelin and Mickey Thompson publish section width.