⚡ One Form · 9 Results · No Signup Required
The Ultimate Fitness Calculator
Every number you need for weight loss and daily nutrition planning — BMI, TDEE, macros, calorie targets and more — calculated together, instantly, by PersonalTrainerXP.
Fill It Once. Get Everything.
Enter your stats below and get your BMI, BMR, TDEE, calorie target, macros, ideal weight, protein & water targets and lean body mass — all at once.
Your Fitness Profile
All fields are used across multiple calculators below, so one entry powers every result.
Uses the Mifflin-St Jeor BMR formula, the Boer lean-mass formula, and the Devine/Robinson/Miller/Hamwi ideal-weight formulas. Estimates only — not a substitute for medical or lab testing.
Your Full Fitness Profile
Common Questions
What does the PersonalTrainerXP all-in-one calculator measure?
One form gives you nine results at once: BMI, BMR, TDEE, a daily calorie target, macro split, ideal weight range, protein target, water target and lean body mass.
Is this fitness calculator free to use?
Yes. Every calculator on this page is free, requires no signup, and runs instantly in your browser.
How accurate are these calculators?
They use established formulas such as Mifflin-St Jeor for BMR and the Devine, Robinson, Miller and Hamwi methods for ideal weight. They give strong estimates for planning, but a certified coach and clinical tools remain more precise.
How often should I recalculate my numbers?
Recheck every 4–6 weeks, or any time your weight, activity level, or training goal changes meaningfully.
Know Your Numbers. Now Get A Plan.
Calculators tell you where you stand. A certified coach tells you what to do about it. Book a free consultation with PersonalTrainerXP.
🟠 Book Your Free Consultation TodayBest Personal Trainer Online for Busy professionals| UK | USA | Canada |UAE Europe & Australia | Certified Virtual Fitness Coach — PersonalTrainerXP 2026
Best Personal Trainer Online for Busy professionals| UK | USA | Canada |UAE Europe & Australia | Certified Virtual Fitness Coach — PersonalTrainerXP 2026