Free fitness calculators and science-backed guides to track BMI, TDEE, macros, protein intake, and body fat. TrainCalc helps you plan your nutrition and workouts smarter — no ads, just clear numbers and real results.
Hey everyone 👋 I’m Alex — a seasoned dev and fitness enthusiast, and the creator of TrainCalc.
After years of coding and tracking my own progress, I got tired of messy fitness sites full of ads and junk calculators. So I built the kind of tool I wanted to use — clean, accurate, and science-backed.
TrainCalc gives you free calculators for BMI, TDEE, macros, protein intake, body fat, and more — all in one place, with no distractions.
My goal is simple: help people understand their numbers and train smarter.
I’d love your feedback — which calculators you use most, and what you’d like to see next. Thanks for checking it out and supporting the launch 💪
https://traincalc.com
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