Coffee tools
Useful calculations, thoughtful planning and a place to record your next brew.
Coffee to water ↗
Choose your dose and water-to-coffee ratio.
BrewingCoffee dose ↗
Find the coffee dose for a measured amount of water.
EspressoEspresso yield ↗
Plan the mass of espresso in your cup.
EspressoEspresso ratio ↗
Calculate the ratio of your measured shot.
BrewingRecipe scaler ↗
Scale coffee and water together.
BrewingServing planner ↗
Plan brew water and coffee for several cups.
BrewingBloom water ↗
Set aside the first pour from your total water.
BrewingPour schedule ↗
Split remaining brew water into equal pours.
BrewingIced pour over ↗
Divide brew water into hot water and ice.
BrewingConcentrate dilution ↗
Dilute a measured concentrate by mass.
MeasurementTDS dilution ↗
Calculate added water to lower a measured TDS.
MeasurementExtraction yield ↗
Estimate extraction from beverage mass and coffee TDS.
MeasurementTarget TDS ↗
Explore the arithmetic relationship between yield and strength.
RoastingTwo-coffee blend ↗
Weigh two coffees into a chosen blend.
RoastingRoast weight loss ↗
Record the mass lost during a roast.
RoastingGreen coffee needed ↗
Plan green input from your measured roast loss.
BudgetBean unit price ↗
Compare bags using price per kilogram and 100 grams.
BudgetCoffee cost per cup ↗
Calculate the bean cost of your daily dose.
BudgetMilk drink cost ↗
Add milk and other ingredients to a cup cost.
BudgetMonthly coffee budget ↗
Plan at-home cups and café visits.
BudgetBatch cost ↗
Account for coffee, filters and measured utilities.
BudgetEquipment break-even ↗
Compare an equipment purchase against a per-cup saving.
BudgetElectricity estimate ↗
Estimate energy use from power and active time.
PlanningWater filter planner ↗
Track remaining rated filter capacity.
PlanningBean supply planner ↗
Find how long a bag will last.
ConversionsTemperature converter ↗
Convert Celsius and Fahrenheit.
ConversionsMass converter ↗
Convert grams, kilograms, ounces and pounds.
ConversionsVolume converter ↗
Compare millilitres with US and imperial fluid ounces.
ConversionsBrew time converter ↗
Turn minutes and seconds into a total time.
MeasurementWater blend ↗
Blend two measured waters to a target concentration.
PlanningBrew stopwatch ↗
Start, pause and record lap times for a brew.
PlanningGuided pour timer ↗
Follow your own bloom and pour schedule with cumulative water targets.
RecordsBrew notebook ↗
Save your recipe and tasting notes on this device, then export a CSV.
RecordsTasting notebook ↗
Record aroma, acidity, sweetness, body and finish in your own words.
PlanningRoast date tracker ↗
Count elapsed days since roasting and save a reminder.