Contents

- 1 How do you read tire size numbers?
- 2 What do the 3 numbers mean on tire size?
- 3 What does the 265 70r17 mean?
- 4 How do you read tire sizes in inches?
- 5 Can I use 235 tires instead of 225?
- 6 How tall is a 17 inch tire?
- 7 Can I use 215 tires instead of 205?
- 8 Are wider tires better?
- 9 Can I put 2 different size tires on my car?
- 10 Does changing tire size affect transmission?
- 11 What’s the difference between 265 and 285 tires?
- 12 Are 285 tires the same as 33?
- 13 What size is a 32 inch tire?
- 14 What does C mean on tire size?
- 15 What size is a 35 tire?

## How do you read tire size numbers?

The two-digit **number** after the slash mark in a **tire size** is the aspect ratio. For example, in a **size** P215/65 R15 **tire**, the 65 means that the height is equal to 65% of the **tire’s** width. The bigger the aspect ratio, the bigger the **tire’s** sidewall will be.

## What do the 3 numbers mean on tire size?

B: **TIRE** WIDTH The **three**-digit number following the letter is the **tire’s** width (from side to side, looking at the **tire** head on) in millimeters. It’s the height of the sidewall measured from wheel rim to top of the tread, expressed as a percentage of **tire** width. In other words, it’s sidewall height divided by **tire** width.

## What does the 265 70r17 mean?

This number indicates that your tire has a width of **265** millimeters. 70. This number **means** that your tire has an aspect ratio of 70%. In other words, your tire’s sidewall height (from the edge of the rim to the tire’s tread) is 70% of the width. In this case, the sidewall height works out to be 185 millimeters.

## How do you read tire sizes in inches?

In most cases with **inch** measurement **tires** the **width** will have a. 50 decimal after the initial number. In example “A” this reads 12.50, meaning the **tire width** is 12 and 1/2 **inches**. The final number simply is the wheel **size** or “diameter” of the wheel that the **tire** will fit on.

## Can I use 235 tires instead of 225?

Yesthat size will work 100% perfectly, as it is the exact same diameter as the **225**/75-16. **235**/70-16 is actually a shorter **tire**.

## How tall is a 17 inch tire?

17 INCH TIRES |
TIRE HEIGHT |
---|---|

225 35 17 |
23.20 |

245 35 17 |
23.75 |

315 35 17 |
25.68 |

335 35 17 |
26.23 |

## Can I use 215 tires instead of 205?

Nope. The nominal diameter of the **215’s** is 1.7% greater than that of the **205’s**. The sidewall height is a percentage of the width of the **tire**, so a 55 series is taller with a wider **tire**.

## Are wider tires better?

From a safety point of view, both types have their **good** sides: On a dry road, **wider tires** will offer more grip than narrow ones, but the risk of aquaplaning will be higher with **wide tires**. – In the winter, narrow **tires** are **better** under extreme conditions as they provide higher surface pressure against the road.

## Can I put 2 different size tires on my car?

Long story short: Yes, it is a problem to have **two tires** of **different sizes** on the front (or back) of your **car**. Having **two different**–**sized tires** on the same axle is generally not a good thing. Sometimes, people choose to **put** larger **tires** on the rear axle of their **vehicle** for handling reasons, cosmetic reasons, etc.

## Does changing tire size affect transmission?

**Changing tire size** doesn’t **affect** your **transmission**, but it **does change** your final drive ratio. The effect is the same as if you had changed your **transmission**. Larger tires will lower your final drive ratio. (as if all your gears were “higher”) Your car will go further with each revolution of the **tire**.

## What’s the difference between 265 and 285 tires?

The larger **285**/70R17 **tire in the** photo above stands over an inch taller and is nearly an inch wider than the **265**/70R17 size. The width of the tread is also a half-inch wider. Many late-model domestic trucks accept this **difference** in size.

## Are 285 tires the same as 33?

**285**/75/16 is the metric equivalent of a **33**″ **tire**. Although the **285**/75/16 is usually the accepted metric size for **33’s**, the actual diameter of the **tire** varies from manufacturer to manufacturer. **285’s** actually vary in true diameter. Meaning some are smaller than **33**″ and some are larger.

## What size is a 32 inch tire?

Diameter Comparison of Light Truck Tire Sizes

Approx. Tire Diameter (in Inches) |
P-Metric and European Metric | LT-Metric |
---|---|---|

75-series and 70-series | 75-series and 70-series | |

32 |
LT265/75R16 | |

31-1/2 | 265/70R17 | LT265/75R16 |

265/75R16 |

## What does C mean on tire size?

**C** – in Euro-metric **sizes**, this means the **tire** is commercial, for delivery vans and trucks. The letter is usually at the end of the **size** description, along with the load range (B, **C**, or D).

## What size is a 35 tire?

Tire size equivalent chart for 33″, 35″, 37″ or 40″ tires:

33″ Tires (+/- 0.50″ in overall diameter) | ||
---|---|---|

33X15.50-15 |
||

35″ Tires (+/- 0.50″ in overall diameter) | ||

15″ | 16″ | 17″ |

35X12.50-15 | 315/75-16 | 315/70-17 |