Free calculator widget
Embed a rucking calorie calculator on your site.
Give readers a useful training tool without building one from scratch. The snippet is lightweight, self-contained, and includes a visible attribution link to the full Ruck Authority methodology.
Copy and paste
Choose a theme and copy the snippet.
Use the interactive widget when the page accepts script embeds. Use the text or Markdown fallback when scripts are blocked by a CMS or community platform.
Live preview
This is the exact script widget. It requires no cookies, account, or API key.
Interactive widget
<div data-ruck-authority-calorie-widget data-theme="light" data-units="imperial">
<a href="https://ruckauthority.com/tools/calorie-calculator?utm_source=embed&utm_medium=widget&utm_campaign=rucking_calorie_widget">Rucking calorie calculator by Ruck Authority</a>
</div>
<script async src="https://ruckauthority.com/widgets/rucking-calorie-calculator.js"></script>Text link fallback
<a href="https://ruckauthority.com/tools/calorie-calculator?utm_source=embed&utm_medium=widget&utm_campaign=rucking_calorie_widget">Rucking calorie calculator by Ruck Authority</a>Markdown
[Rucking calorie calculator by Ruck Authority](https://ruckauthority.com/tools/calorie-calculator?utm_source=embed&utm_medium=widget&utm_campaign=rucking_calorie_widget)Where to use it
Add it to pages that discuss rucking calories.
Ruck club beginner pages
Gym rucking class pages
Virtual challenge prep pages
Fitness articles comparing walking and rucking