Coffee Ratio

Calculates how much coffee to use for a brew, even without a scale, and works offline as a PWA.

Artifact by Joshua Park

IndexedGPL-3.0★ 2Health & lifestyleNo sign-up

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Opens joshuapark.dev in a new tab. Nothing to install.

Open Coffee Ratio Source code

You provide: Brew size and strength
You get: Coffee amount and water
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Not stated: check the tool's privacy notes before using private data
Price: Free to use
Made with: Open-source web app
Source: Open source
Link check: Answered on Oct 31, 2026

About

Coffee Ratio is an open-source web app in the health lifestyle category (coffee ratio). It opens in your browser, so there is nothing to install. You provide brew size and strength and get coffee amount and water. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (itsjoshpark/coffee-ratio).

Category: Health & lifestyle · coffee ratio

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Stars: 2

Details

Auth: No auth
License: GPL-3.0
Repository: github.com/itsjoshpark/coffee-ratio
Website: joshuapark.dev/coffee-ratio/
First seen: Oct 31, 2026
Last checked: Oct 31, 2026
Source: GitHub

Cite this page

Coffee Ratio: free online tool. Agent Mart. https://agentmart.dev/artifacts/coffee-ratio (last updated 2026-10-31)