RecallWire driver tools / 04
Four digits. A clearer picture.
Decode the date at the end of your tire’s DOT identification number. See when it was made and its approximate age, then save a report for your next tire inspection.
01 / Read the sidewall
Enter the date code only, not the full DOT number. The complete marking may be on just one side of the tire.
No photo or vehicle details needed. Your code is not submitted or saved.
02 / Your tire’s timeline
Approximate ageEnter a date code to begin
We will show the manufacture week and year.
Age is one part of tire condition. This tool does not certify safety, remaining life, or a replacement date. Follow the tire and vehicle manufacturers’ guidance.
Free report · Print or save as PDF
Look a little closer
Rotate the tire and watch an illustrative change in tread and texture.
The illustration starts with pronounced blocks and channels.
Illustrated wear is independent of your DOT date. This visual does not measure tread depth or predict tire condition. Ask a tire professional to inspect your actual tires.
Understand the marking
The last four digits identify the manufacturing week and year. In the example 2422, “24” is the week and “22” means 2022. This tool supports four-digit codes for tires manufactured from 2000 onward.
A DOT date code identifies a week, not a day. We estimate elapsed months from the middle of that week and your device’s current date. Week numbering follows NHTSA’s first-full-week, Sunday-to-Saturday interpretation.
Common questions
Three-digit codes were used before 2000 and do not identify the decade unambiguously. This tool will not guess the year. Ask a tire professional to confirm the marking and advise on the tire.
No. A tire may have damage or other problems regardless of its age. This calculator only decodes the date and does not inspect the tire.
Recheck that you have the final four date digits. Invalid weeks, future dates and unsupported formats are rejected. Also check that your device’s date is correct.
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