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.

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

The right grind for every brew method, 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.