245 Tire Size in Inches
A 245 tire is 9.65 inches wide (245 mm ÷ 25.4). Its overall height depends on the aspect ratio and wheel size — the chart below works out every common combination.
Calculated from the size designation · Updated 2026-11-05 · By CarWhere Research
245 tire overall height (inches)
| Aspect | R15 | R16 | R17 | R18 | R19 | R20 | R21 | R22 |
|---|---|---|---|---|---|---|---|---|
| 245/35 | 21.8 | 22.8 | 23.8 | 24.8 | 25.8 | 26.8 | 27.8 | 28.8 |
| 245/40 | 22.7 | 23.7 | 24.7 | 25.7 | 26.7 | 27.7 | 28.7 | 29.7 |
| 245/45 | 23.7 | 24.7 | 25.7 | 26.7 | 27.7 | 28.7 | 29.7 | 30.7 |
| 245/50 | 24.6 | 25.6 | 26.6 | 27.6 | 28.6 | 29.6 | 30.6 | 31.6 |
| 245/55 | 25.6 | 26.6 | 27.6 | 28.6 | 29.6 | 30.6 | 31.6 | 32.6 |
| 245/60 | 26.6 | 27.6 | 28.6 | 29.6 | 30.6 | 31.6 | 32.6 | 33.6 |
| 245/65 | 27.5 | 28.5 | 29.5 | 30.5 | 31.5 | 32.5 | 33.5 | 34.5 |
| 245/70 | 28.5 | 29.5 | 30.5 | 31.5 | 32.5 | 33.5 | 34.5 | 35.5 |
| 245/75 | 29.5 | 30.5 | 31.5 | 32.5 | 33.5 | 34.5 | 35.5 | 36.5 |
Calculated nominal dimensions. Actual measured size varies by tire model and rim width. Linked values are factory sizes on vehicles in our data.
Other widths
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Frequently asked questions
How wide is a 245 tire in inches?
245 mm ÷ 25.4 = 9.65 inches of section width. The tread itself is somewhat narrower than the section width.
How tall is a 245 tire?
It depends on the aspect ratio and wheel size. For example 245/70R17 is about 30.5 in tall and 245/55R20 about 30.6 in — see the chart.