135/80R14 refers to the size of the tire. It’s a standard which is used by car and tire manufacturers. By having the standard, tire manufacturers are able to manufacture same size tires independently and users can buy same size tires from different manufacturers.
Here’s an explanation of what these metrics mean in practice:
| 135 | The tire width is 135mm. |
| 80 | The aspect ratio of the tire is 80. Aspect ratio refers to the height of tire sidewall in relation to tire width in percentages. |
| R | The letter in the middle refers to tire construction. Practically all tires sold for cars are radials. Sometimes you also see tires with RF or ZR. RF indicates the tire is run flat, whereas ZR means the tire has speed rating higher than V. These tires are also radials, as the R indicates. |
| 14 | Rim diameter for the tire. 135/80R14 tire can be mounted only to a 14″ rims. |
Best selling 135/80R14 tires
Coker Tire 55597 Firestone F560 Radial Tire 135R15
(as of June 8, 2023 21:33 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Omni Trail Radial Trailer Tire - ST205/75R14 8ply
(as of June 8, 2023 21:33 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Starfire Solarus AS All-Season 185/65R14 86H Tire
17% Off(as of June 8, 2023 21:33 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
What is 135/80R14 tire size in inches?
Because the width of 135/80R14 tire is stated in millimeters and sidewall height in percentages, you have to make calculations to see what the true size of 135/80R14 is in inches. Luckily, we have made these calculations for you.In this table you can see size of 135/80R14 in inches, as well as few additional metrics:
| In inches | In millimeters | |
| Section Width | 5.3″ | 135mm |
| Sidewall height | 4.3″ | 108mm |
| Diameter / Height | 22.5″ | 572mm |
| Circumference | 70.7″ | 1796mm |
| Rim Diameter | 14″ | |
| Revolutions | 896 per mile | 557 per kilometer |
Recommended Rim Sizes for 135/80R14 Tires
For 135/80R14 tires you need to have correct size rims to install the tires to. There are different width rims available in the market, and you can run into problems by installing 135/80R14 to a too wide or too narrow rim. Here are the recommended rim sizes for 135/80R14 tire:
| Diameter | Width Range |
| 14″ | NA |
135/80R14 – Variations
When you look at the tire code on 135/80R14 tires, you may see there are additional numbers and letters after the code 135/80R14. These numbers and letters refer to speed rating and load index of the tire. 135/80R14 has at least following variations available on the markets:
135/80R14 84M