Tire Age Calculator
Calculate the age of your tires using the DOT code to determine if they’re expired and need replacement. Learn about tire safety, manufacturing dates, and optimal replacement intervals.
Step 1: Find Your DOT Code
Where to Find the DOT Code
The DOT code is a 4-digit number on your tire’s sidewall. The first 2 digits represent the week of manufacture (01-52) and the last 2 digits represent the year (e.g., 18 for 2018).
DOT Code Location
The DOT code is usually on the outer sidewall of the tire, but may also be on the inner sidewall. You may need to check both sides or have a professional help you locate it.
Step 2: Calculate Tire Age
Tire Aging Factors
Tires age due to oxidation, UV exposure, temperature fluctuations, and load stress. Even with sufficient tread depth, old tires can be dangerous due to rubber degradation.
Tire Age Analysis
Your Tire’s Age
Tire Safety Assessment
Safety Guidelines
Most manufacturers recommend replacing tires every 6-10 years regardless of tread depth. After 5 years, tires should be inspected annually by a professional. Tires over 10 years old should be replaced immediately.
| Tire Age | Risk Level | Recommendation |
|---|---|---|
| 0-5 years | Low | Normal use, annual inspection |
| 6-8 years | Moderate | Professional inspection every 6 months |
| 9-10 years | High | Replace soon, limit long trips |
| 10+ years | Critical | Replace immediately |
Tire Recommendations
Based on Your Tire Age: 6 years
Your tires are approaching the middle of their expected lifespan. While they may still be safe, they require more frequent inspection and care.
Recommended Actions
| Action | Priority | Timeline |
|---|---|---|
| Professional tire inspection | Medium | Within 3 months |
| Check for dry rot/cracking | Medium | Monthly visual inspection |
| Monitor air pressure weekly | Low | Weekly check |
| Consider replacement planning | Low | Plan for next 1-2 years |
Factors Accelerating Tire Aging
Hot climates, exposure to sunlight, infrequent use, improper inflation, and harsh driving conditions can all accelerate tire aging. Consider these factors when assessing your specific tires.
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