ajayver

This plugin adds a widget that allows your users to convert different ingredients to different measurements. The data is taken from two csv files: data/ingredients.csv and data/measurements.csv. You can add as much more ingredients or measurements as you like.

Converter

This plugin adds a widget that allows your users to convert different ingredients to different measurements.

Ari Stathopoulos

The Recipes plugin allows you to write recipes, add ingredients and steps with simplicity in mind.
Create your recipes, add ingredients, steps, a short description as well as a full description and recipe categories! 
Includes support for featured images and an easy to use template.
<ul>
<li>100% opensource.</li>
<li>Recipe Custom Post Type.</li>
<li>Recipe Categories (Custom taxonomy).</li>
<li>Recipe Tags (Custom taxonomy).</li>
<li>Single-field Ingredients.</li>
<li>Easy to add recipe steps.</li>
<li>Recipe featured image.</li>
<li>Easy to use templating system. Just create a <code>recipes</code> folder in your theme, copy any of the templates in the plugin’s <code>templates</code> folder and edit to your liking.</li>
<li>Customizer integration: disable template parts or reorder them.</li>
<li>Uses the Kirki plugin for the customizer, however if you don’t want to use the customizer features it is not required.</li>
<li>Compatible with most themes out of the box.</li>
<li>underscores.js-powered admin interface.</li>
<li><a href="https://github.com/aristath/recipes" rel="nofollow ugc">Developed on Github</a>.</li>
<li>Support via the <a href="https://github.com/aristath/recipes/issues" rel="nofollow ugc">Github Issues Queue</a>.</li>
</ul>

Converter vs Recipes