Best 42x14.50R20 tires
No tire in this size has a score yet — too few owner reviews and tests. No vehicle in our database uses it from the factory — check the numbers on your tire sidewall. See the nearest sizes with rated tires.
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Nearest sizes with rated tires
Within 3% of the overall diameter, on the same rim first. Check the sizes approved for your vehicle before you switch.
42x14.50R20 in inches
| Overall diameter | 42″ |
| Section width | 14.5″ |
| Rim diameter | 20″ |
| Sidewall height | 279 mm |
| Circumference | 131.9″ |
| Revolutions per mile | 480.2 |
Revolutions per mile: how many times the tire turns in one mile, the count your speedometer is calibrated to.
What rims fit 42x14.50R20 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
The rim diameter is fixed at 20″; only the width can change. Rims are usually 70–90% as wide as the tire’s 14.5″ section width.