One Rep Max Calculator

A React based one rep max calculator web app.

Was available publicly at https://onerepmaxcalculator.xyz until Feb 2024.

Now merged into Strength Journeys: https://www.strengthjourneys.xyz/calculator https://github.com/wayneschuller/strengthjourneys

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Features:

• give the user the results from different expert formulae from the strength research
• fast and thick finger friendly UI that works smoothly during a gym session
• responsive design and instant results without needing a submit button
• share button for sharing results on web forums

Example screenshot:

Codebase uses Next.js 14.x, Tailwind, ShadcnUI