David San Luis

Calculator and Diagnosis

Two tools to dial in your recipe and solve flavor problems

Yield calculator Flavor diagnosis
01

Dose and Yield Calculator

Enter your dose and choose a ratio to calculate your espresso's target yield

Dose

Dry coffee in the portafilter

g

Typical range: 14–20g for a double basket

Ratio

Coffee:beverage proportion

Standard — universal starting point

Your target yield
36 g in cup
18g × 2.0 = 36g
Expected time 25–35 sec

Adjust your grind until you reach this yield within the indicated time.

Ratio reference

How yield varies with an 18g base dose

Ratio Name Yield (18g) Profile
1:1 Ristretto 18 g Intense
1:1.5 Long ristretto 27 g Concentrated
1:2 Standard 36 g Balance ✦
1:2.5 Lungo 45 g Softer
1:3 Long lungo 54 g Light

Ideal time: 25–35 sec · Recommended temperature: 92–94°C

02

Flavor Diagnosis

Taste your shot, identify what you're sensing, and get solutions ranked by impact

Step 1 — Taste your shot and pick what best describes it