Coffee calculators & tools

Free, no sign-up. The quick calculations that make home coffee cheaper and more consistent.

Coffee-to-water ratio

Grams of coffee and water for any brew method — pour-over, French press, espresso, and more.

Target yield for your dose, plus a fast/slow shot diagnosis and which way to move the grinder.

Espresso, steamed milk, and foam for a latte, cappuccino, flat white, cortado, and more — by cup size.

Enter a roast date and storage method to see where your coffee sits from peak to stale.

Check the hardness, TDS and alkalinity on your water report against the SCA standard for brewing water.

Coffee, water, and steep time for concentrate or ready-to-drink cold brew — sized to your jar.

Pick your brewer and get a grind setting, with a texture you can feel and how to dial it in.

Every K-Cup and Nespresso box we track, ranked by price per pod — Keurig, Original and Vertuo side by side.

Your real cost per cup and per year, and how fast a grinder pays for itself.

How to split your money across the machine, grinder, and accessories — and where beginners overspend.

Estimate the caffeine in your coffee by method and serving, against the daily guideline.

Grams, level tablespoons and scoops for 4, 6, 12 cups or a whole crowd, with presets for popular drip makers.