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2025

Fit Calcs

Fit Calcs is a lightweight web application that allows users to calculate essential fitness metrics like BMR (Basal Metabolic Rate), BMI (Body Mass Index), TDEE (Total Daily Energy Expenditure), and body fat percentage. It features an intuitive interface with clean design and responsive behavior across devices. The tool is aimed at fitness enthusiasts, coaches, and beginners looking to get quick and reliable nutritional insights.

Fit Calcs
Technologies

Frontend

React
TypeScript
Tailwind CSS

Backend

Firebase

Database

Tools

Vercel
ESLint
Prettier
Challenges
  • Ensuring accurate health metric calculations
  • Creating a mobile-friendly and accessible UI
  • Keeping performance high with zero backend
Solutions
  • Implemented formulas used by fitness professionals (Mifflin-St Jeor, US Navy, etc.)
  • Used semantic HTML and Tailwind CSS for responsive layout and accessibility
  • Deployed a static frontend app with no server dependencies
Key Outcomes & Impact

Achieved sub-second load times with optimal Lighthouse scores

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