Free fitness calculators
Quick tools for personal trainers and nutritionists to assess clients — no sign-up, right in your browser. Want all of this connected to your client tracking? Meet Fitney.
BMI Calculator
Body Mass Index and classification.
TDEE Calculator (BMR & TDEE)
Basal metabolism and daily calories.
Macro Calculator
Protein, carbs and fat by goal.
Body Fat Percentage
Body fat estimate (US Navy method).
Skinfold Calculator (Jackson-Pollock)
Body fat from 3 and 7-site skinfolds and other protocols.
Water Intake
Daily hydration goal in ml by body weight (35 ml/kg).
Cardio Calories (MET)
Calories burned by modality, intensity and duration.
1RM Calculator
One-rep max and percentage table.
Take your client tracking to the next level
Assessments, workouts, diets and progress — all in an app with your brand. 14-day free trial, no card.
Discover Fitney