Coffee Essentials
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Brew Tools

Seven instruments for the hands-on brewer. Dial in extraction, balance your ratio, time your pour, steam your milk.

19.4%
UnderSweet SpotOver
Estimated Extraction

Extraction Calculator

Estimate your extraction percentage and dial in the perfect balance between sour and bitter.

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1:45Bloom phase

Brew Timer

Step-by-step timers for pour over, French press, AeroPress, and more — with bloom prompts and phase alerts.

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60–65°C Target

Milk Steaming Timer

Guided steaming phases for latte, cappuccino, and flat white — with temperature targets and texture cues.

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Extra-Fine
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Extra-Coarse

Grind Size Guide

A visual spectrum from Turkish extra-fine to cold brew extra-coarse, mapped to every brew method.

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15g:250ml
1 : 16.7 ratio

Brew Ratio Calculator

Find the right coffee-to-water ratio for any brew method, adjusted to your strength preference.

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63mgEspresso
165mgDrip
200mgCold Brew

Caffeine Calculator

How much caffeine is in your cup? Compare drinks and sizes against your daily intake.

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18–22%

Ideal Extraction

1.15–1.35%

Target TDS

Extraction Reference

The SCA Brewing Control Chart and extraction ranges by method — your cheat sheet for understanding extraction.

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Coffee Essentials
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