Time your extraction from first drop to target yield. The timer diagnoses your result against the specialty coffee standard: 25–30 seconds for a 1:2 dose-to-yield ratio. Enter your dose and yield weight to get a diagnosis and recommended grind adjustment.
Last 10 shots this session. Resets on page refresh.
No shots logged yet.
| Shot Time | Ratio | Likely Diagnosis | Adjustment |
|---|---|---|---|
| Under 20s | Any | Severe under-extraction / channeling | Grind finer, check tamp evenness |
| 20–24s | 1:2 | Slight under-extraction | Grind one step finer |
| 25–30s | 1:2 | Target range — correct | No adjustment needed |
| 31–38s | 1:2 | Slight over-extraction | Grind one step coarser |
| Over 38s | Any | Severe over-extraction or blockage | Grind coarser; check needle/group head |
| Any time | Under 1:1.5 | Ristretto range — intentional or restricted flow | Verify if intentional |
| Any time | Over 1:3 | Lungo / over-diluted | Stop shot earlier or reduce dose |
Shot time targets are based on specialty coffee industry standards (SCA guidelines). Individual taste preference may differ. Use as a diagnostic starting point, not a rigid rule.