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coffee brewL A B Plan Pour-Over

THE TOOLKIT / 01

Pour-Over Ratio & 4:6 Brew Planner

Dial in your hand drip coffee with custom ratios, water stages, and a built-in step-by-step pour guide.

INPUT WORKBENCH

REAL-TIME
Brew Parameters

Client-side calculation. Your coffee parameters stay private in your browser.

OUTPUT SPECIFICATION

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Enter inputs to calculate.

POUR-OVER STOPWATCH
00:00

Press Start when beginning the first bloom pour.

Calculations computed with full floating-point precision.

THE FORMULA

Methodology & Standards

Total Water = Dose × Ratio; Beverage Yield = Total Water - (Dose × 2.0g absorption)

Read the full guide

CRAFT RECOMMENDATIONS

Dialing Guidance

Accurate to 0.1g water weight. Supports standard 3-pour, Tetsu Kasuya 4:6, and single-cup techniques.

Always adjust one parameter at a time (grind size first, water ratio second, temperature third) to isolate the flavor impact.