# 🍺 Top-down Brew: Beer Engine - DIY Make Your Own

## Make your own recipe calculator web page

People who know basic HTML skills can easily make custom recipe calculating pages with this software. The default values in the fields can be modified to whatever you want. The percentage-focused approach makes it easier to share beer recipes with other homebrewers because they can adjust the batch size, mash efficiency, and other variables to fit their system.

The Creative Commons license allows for free use of the software. Attribution is appreciated.

## Steps

- Download the essential files:
  - A basic recipe page like the ones used on this web site
  - BeerEngine2026.js
  - BeerEngine2026.css
- Edit the blank page with a text editor to make changes that you desire. The recipe variables are obvious in the "textarea" tags.
- The edited files can be run from your computer's hard drive by opening the pages in a web browser. Be sure to include all of the files in the same directory.
- Host your edited pages on a web site to make the pages public.

## Other useful development tools

- A supporting calculator for conversion of hop recipe weights to percentages.
- A supporting calculator for conversion of grain bill weights to percentages.
- Estimate the fermentables needed for a clone beer recipe