Enter your tread depth to get a safety rating, estimated miles remaining, and stopping distance impact.
| Tread (32nds) | mm | Rating | Action |
|---|---|---|---|
| 10/32" (new) | 7.9mm | New | No action needed |
| 7–9/32" | 5.6–7.1mm | Good | Normal driving, check periodically |
| 4–6/32" | 3.2–4.8mm | Monitor | Quarter test: Washington's head visible |
| 3/32" | 2.4mm | Replace Soon | Plan replacement — wet traction reduced |
| 2/32" (legal min) | 1.6mm | Replace Now | Penny test: Lincoln's head fully visible |
| <2/32" | <1.6mm | Unsafe | Do not drive — replace immediately |