About Us
Built for People Who Want Real Results
MyMacroFit is a collection of free, evidence-based fitness and nutrition calculators designed to cut through the noise and give you the exact numbers you need to reach your goals.
Our Mission
The fitness industry is full of confusing, conflicting, and often wrong advice. Generic meal plans, one-size-fits-all programs, and expensive apps that charge for basic calculations that should be free.
We built MyMacroFit to fix that. Every tool on this site uses the same formulas that registered dietitians and sports scientists use — and we give them to you instantly, for free, with no email required.
What We Stand For
Evidence-Based
Every calculator uses peer-reviewed formulas. No bro-science, no pseudoscience — just proven methods like Mifflin-St Jeor and scientifically validated macro splits.
Always Free
All 20 calculators are free with no signup, no paywall, and no upsell. We believe everyone deserves access to accurate nutrition tools.
Personalised Results
Generic advice doesn't work. Our calculators use your individual stats — age, weight, height, activity level, and goals — to give numbers that actually fit you.
Instant & Private
All calculations happen in your browser. No data is sent to any server when you use our calculators. Fast, private, and always available.
What We've Built
We currently offer 20 free calculators covering every aspect of nutrition and fitness — from macros and TDEE to body fat, sleep, pregnancy weight, and strength training. Each calculator includes a full evidence-based guide explaining the science behind the results.
Browse All 20 Calculators →Medical Disclaimer
The information and calculators on MyMacroFit are intended for educational purposes only and should not replace professional medical advice. Always consult a qualified healthcare provider or registered dietitian before making significant changes to your diet or exercise routine, especially if you have an existing medical condition.