Tyre tread-life calculator
How much tread life is left?
Estimate remaining tyre life from your wear so far: the wear rate is the tread lost divided by the distance driven. From the current depth, the remaining mileage to the 1.6 mm legal limit is (current − 1.6) ÷ wear rate. For example, 3 mm lost over 30,000 km is 1 mm per 10,000 km, leaving about 34,000 km from a 5 mm tread.
New tread depth (mm)5 mm / 8 mm
Current tread depth (mm)1.6 mm
- Wear rate
- 1 mm / 10k km
- Distance to 1.6 mm
- 34,000 km
- Estimated total life
- 64,000 km
Estimate assumes even wear; replace by 1.6 mm (legal) — many recommend 3 mm in the wet.
Worked examples
Tread-life estimates are useful only when they start from a measured wear interval. These examples show how quickly the projection changes.
| New tread | Measured tread | Distance measured | Wear rate | To 1.6 mm |
|---|---|---|---|---|
| 8.0 mm | 5.0 mm | 30000 km | 1.00 mm / 10k km | 34000 km |
| 7.5 mm | 4.0 mm | 35000 km | 1.00 mm / 10k km | 24000 km |
| 7.0 mm | 4.0 mm | 18000 km | 1.67 mm / 10k km | 14400 km |
What to do with it: Recheck sooner if alignment, pressure or driving conditions change.
More tools
- Tire tread depth guide
- Tyre wear indicators guide
- Tire size calculator
- Tire & wheel reference guides
What changed
- Reviewed deterministic geometry, load/speed references, sitemap inclusion and localized page shell.