What do the numbers mean on a tire Meaning and Definition
What do the numbers mean on a tire
Pronunciation
/? ˈθɑːr ˈtjuː bʊ ˈnʌmbərz miːn ɒn ə tɑɪər/
Part of Speech
Noun
Definition
A series of numerical codes and markings on a vehicle tire, providing information about its size, load-carrying capacity, speed rating, and other relevant details.
Examples
- The mechanics used the numbers on the tire to determine the correct air pressure.
- Make sure to read the numbers on the tire before purchasing a new one.
Synonyms
- Tire code
- Tire designation
Antonyms
- Non-standard measurement
- Unmarked tire
Additional Information
The numbers on a tire are usually displayed in a specific format, starting with the tire size, followed by the load rating, and then the speed rating. These codes are essential for ensuring the safe and efficient operation of the vehicle.
For example, a tire code “225/60R18 100H” can be broken down as follows:
- 225: Tire width in millimeters
- 60: Aspect ratio (the ratio of the tire’s width to its height)
- R: Tire construction type (in this case, radial)
- 18: Rim diameter in inches
- 100: Load rating (the maximum weight the tire can support)
- H: Speed rating (the maximum speed the tire can handle)
Understanding the numbers on a tire is vital for selecting the correct replacement tire, as well as ensuring proper tire maintenance.
The practice of marking tires with numerical codes dates back to the early days of automobile manufacturing, as manufacturers sought to standardize tire sizes and performance characteristics.
Usage Notes
When referring to the numbers on a tire, it is essential to use the correct terminology and formatting to avoid confusion.
Cultural References
The numbers on a tire have been referenced in various forms of media, such as in car enthusiast communities and in popular culture.
Idiomatic Expressions or Phrases
- “Tire code” is often used interchangeably with “tire designation.”
Related Words or Phrases
- Tire size
- Load rating
- Speed rating
Collocations
- “Read the numbers on the tire.”
- “Check the tire code.”
Frequency of Use
The term “numbers on a tire” is relatively common in the automotive industry and among car enthusiasts.
Common Misspellings
- “Numbers on a tyre”
- “Tire numbers”