Specialty calculators

Specialty coffee

Dose, water, beverage and dissolved solids: the four numbers every recipe is really made of.

Brew ratio

Ratios between dose, water and the beverage that reaches the cup.

Extraction yield from TDS

Extraction yield, solids and strength from a refractometer reading.

Espresso dose, yield and time

Brew ratio, flow rate and target yield for an espresso shot.

Batch brewing

Dose and water for a batch of a given beverage volume.

Brew water from concentrates

Millilitres of mineral stock for a target hardness and alkalinity.

Bloom and pour schedule

Bloom water and a pour-by-pour schedule with running totals.

These are planning figures, not a substitute for a standard, a specification or a professional. Check anything that matters against the source your trade actually works to.