Built for people who want real answers
ForgeYourFit is a collection of free, accurate fitness and nutrition calculators. No ads, no signup walls, no upsells — just tools that give you honest, useful information about what you eat and how you move.
Why We Built This
Most nutrition and fitness calculator sites are cluttered with ads, require you to create an account just to see a number, or give you results so generic they are barely useful. We built ForgeYourFit because we believe the information you need to make smart health decisions should be free and fast to access.
Every calculator on this site uses validated formulas and official restaurant nutrition data. We update our data regularly and clearly state where our numbers come from so you can trust what you see.
What We Stand For
Always Free
Every tool on this site is completely free to use with no account required.
Accurate Data
We use official restaurant nutrition PDFs and validated scientific formulas.
Instant Results
No loading screens, no page refreshes — results update as you build your order.
Mobile First
Every tool is designed to work perfectly on your phone while you are in line.
Our Calculators
We currently offer six free calculators covering fitness and restaurant nutrition. More are being added regularly. Our goal is to be the most comprehensive and accurate free calculator resource for health-conscious people in the US and UK.
- Rucking Calorie Calculator — calories burned rucking by weight, pack load, and pace
- Reverse BMI Calculator — find your ideal goal weight by target BMI and height
- Chipotle Macro Calculator — real-time macros for any Chipotle order
- Dunkin Calorie Calculator — full menu calorie tracking for Dunkin orders
- Qdoba Calorie Calculator — bowl and burrito macro tracker for Qdoba
- Cava Calorie Calculator — Mediterranean bowl nutrition tracker for Cava
Data Sources & Accuracy
Restaurant nutrition data is sourced from official brand nutrition PDFs and websites, updated for 2026. Fitness calculator formulas use MET values from peer-reviewed exercise science research and the standard WHO BMI formula. All values are estimates — portion sizes vary by location and preparation, and the FDA permits a 20 percent variance on published restaurant nutrition data.
Contact & Feedback
We are always looking to improve. If you find an error in our data, want to suggest a new calculator, or just want to say hello, reach out at info@forgeyourfit.com or use our contact form.
Start calculating
Pick a calculator below and get instant, accurate results for free.