Coffee to Water Ratio
Ratio is dose-to-water. Filter coffee sits around 1:15-1:17; espresso is 1:2; cold brew 1:8 (concentrate). Nail the ratio and you can tweak everything else.
Our top pick
Scale
A coffee scale enforces your brew ratio - precise grams and a built-in timer turn guesswork into repeatable cups.
Free shipping on eligible Amazon items · 30-day easy returns · you earn on anything bought within 24h
As an Amazon Associate we earn from qualifying purchases.
Editorial note: this guide is compiled from published manufacturer guidance, general best practices, and aggregated owner experience — not hands-on testing. Always follow your machine’s official manual.
Quick comparison
| Pick | Why we like it | |
|---|---|---|
| Scale | A coffee scale enforces your brew ratio - precise grams and a built-in timer turn guesswork into repeatable cups. | View → |
| AeroPress | Flexible 1:15-1:16. | View → |
| V60 | Classic 1:16 pour-over. | View → |

Scale
Editor’s PickA coffee scale enforces your brew ratio - precise grams and a built-in timer turn guesswork into repeatable cups.
- + Precise
- + Timer
- − Small
Free shipping on eligible items
Flexible 1:15-1:16.
- + Forgiving
- + Cheap
- − Manual
Free shipping on eligible items
Buying advice
Start 1:16 for filter, 1:2 for espresso, 1:8 for cold brew concentrate. Use the Brew Ratio Calculator to solve any missing value.
FAQ
Best filter ratio?
1:15-1:17; 1:16 is a balanced default.
Stronger?
Drop to 1:15.
Espresso ratio?
1:2 yield to dose.
Ready to start brewing better?
Our top pick for this guide — check today’s price and clip any on-page coupon on Amazon:
Scale
A coffee scale enforces your brew ratio - precise grams and a built-in timer turn guesswork into repeatable cups.
As an Amazon Associate we earn from qualifying purchases.
Want exact doses? Use our free brew calculators.