Tools / Brew Lab

Coffee tools and calculators

Estimate caffeine, plan a brew ratio, choose a coffee maker, or find your machine's manual.

01Live Caffeine

Caffeine Calculator

Estimate intake, daily limit pressure, and remaining caffeine with editable serving values.

FDA 400 mg5h half-life

Open tool ->02Brew Ratio

Dose Planner

Plan coffee dose, brew water, or espresso yield for the methods people actually use.

1:16 filter1:2 espresso

Open tool ->03Machine Finder

Coffee Maker Quiz

Match budget, cups, effort, and drink style to the right starting guide.

DripPodEspresso

Open tool ->04Manuals

Manual Search

Search the live source-verified catalog by brand, model number, alias, or help topic.

Exact modelsVerified sources

Open tool ->

Choose the tool for your next step

Use the brew ratio calculator before brewing: enter the coffee dose or water amount, select your method, and keep grams consistent. Espresso uses the weight of the drink in the cup; filter and immersion recipes use the water added to the grounds.

The caffeine calculator estimates intake from serving size and drink type. Replace a default with the product’s published caffeine amount when available. Its remaining-caffeine estimate is a model, so it cannot tell you exactly how alert you will feel or when you will sleep.

Use the coffee maker quiz to narrow a buying category, then check model dimensions and features before purchasing. If you already own a machine, search the manual library by its exact model number for setup, cleaning and troubleshooting instructions.