Tea and coffee Calculators
In Food
Coffee Calculator
Beans differ in density by a third between roasts, which is why a scoop is not a measurement.
Coffee Footprint Calculator
About 140 litres of water sit behind a single cup, almost all of it in growing the bean.
Coffee Kick Calculator
An afternoon coffee still has half its caffeine in you five hours later.
Coffee Ratio Calculator
The SCA standard is 55 g per litre — 1:18.2, and weaker than most people brew at home.
Coffee to Water Ratio Calculator
Under-extracted tastes sour and over-extracted bitter, and neither is fixed by the dose.
Cold Brew Ratio Calculator
Cold water extracts far less acid, which is why 1:8 concentrate is drinkable at all.
Healthy Coffee Calculator
400 mg a day is the usual adult guidance — about four filter coffees, and 200 in pregnancy.
Tea Brewing Calculator
Tea is dosed by weight for the same reason coffee is — leaf density varies enormously.