Espresso extraction simulator

1. Choose your settings

Adjust the three settings below, or choose a preset. Change one setting at a time to compare the effect.

Try a preset:

Fine-tune grind, temperature and pressure

Grind size 5.0 (standard)

1.0 Fine · high resistance 5.0 Standard 10.0 Coarse · low resistance

The reference setting uses about 4.2 seconds of pre-infusion before flow builds. Watch how the modeled stream and crema change.

🌡️ Water temperature 93°C (reference)

86°C Lower 92–94°C Reference 98°C Higher

93°C is the reference temperature. Move this slider to see the model’s changes in flow and flavor emphasis.

🧭 Pump pressure 9.0 bar (reference)

4.0 bar Lower 9.0 bar Reference 12.0 bar Higher

9 bar is the reference pressure. Compare it with the lower- and higher-pressure settings.

⏱ Playback speed · simulation and curves stay in sync:

Ready

Shot time

0.0s

Reference 25–30s

Yield0.0/36g
Progress 0%

Flow rate

0.00g/s

Ready

Live pressure

0.0bar

Set 9.0 bar

Yield progress · stops automatically at 36g Brew ratio 1 : 0.00

Projected 36g time: ~27.8s

Yield (g) Flow (g/s) Forecast Reference window (25–30s) Previous shot

🔬 Modeled extraction and flavor emphasis Reference balance

The bars illustrate relative emphasis in this model, not tasting results or measured proportions.

AcidityMedium

SweetnessVery high

BitternessMedium

Projected completion in 27.8s for 36.0 g. These reference settings illustrate a steady stream and a stronger sweetness indication.