Free Fitness Calculators for Strength & Health

Wilks score, FFMI, macro calculator, TDEE, body fat, one rep max — all free, no signup, instant results.

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Wilks Score Calculator
Powerlifting
DOTS Score Calculator
Powerlifting
IPF Points Calculator
Powerlifting
Powerlifting Total Calculator
Powerlifting
FFMI Calculator
Body Composition
Body Fat % Calculator
Body Composition
Lean Body Mass Calculator
Body Composition
BMI Calculator
Body Composition
Ideal Weight Calculator
Body Composition
Waist to Hip Ratio Calculator
Body Composition
Anabolic Window Calculator
Nutrition
Creatine Loading Calculator
Nutrition
Glycogen Storage Calculator
Nutrition
Macro Calculator
Nutrition
TDEE Calculator
Nutrition
Protein Intake Calculator
Nutrition
Calorie Deficit Calculator
Nutrition
Calorie Surplus Calculator
Nutrition
Bulking Calculator
Nutrition
Cutting Calculator
Nutrition
Carb Calculator
Nutrition
Caloric Needs Calculator
Nutrition
Body Weight Planner
Nutrition
BMR Calculator
Nutrition
Water Intake Calculator
Nutrition
Running Pace Calculator
Cardio & Running
Heart Rate Zone Calculator
Cardio & Running
VO2 Max Calculator
Cardio & Running
Calories Burned Running
Cardio & Running
5K Pace Calculator
Cardio & Running
Marathon Pace Calculator
Cardio & Running
METs Calculator
Cardio & Running
Rowing Calorie Calculator
Cardio & Running
Jump Rope Calorie Calculator
Cardio & Running
Recovery Heart Rate Calculator
Cardio & Running
One Rep Max Calculator
Strength Training
Bench Press Calculator
Strength Training
Progressive Overload Calculator
Strength Training
Training Max Calculator (5/3/1)
Strength Training
Strength Level Calculator
Strength Training
Plate Calculator
Strength Training
Rep to Weight % Calculator
Strength Training
Warm Up Sets Calculator
Strength Training
Relative Strength Calculator
Strength Training
Functional Strength Score
Strength Training
Deload Calculator
Strength Training
Periodization Calculator
Strength Training
Strength Training Age Calculator
Strength Training
Weekly Training Volume Calculator
Strength Training
Deadlift Calculator
Strength Training
Squat Calculator
Strength Training
Total Training Volume Calculator
Strength Training
Workout Volume Calculator
Strength Training
Sets and Reps Calculator
Strength Training
Rest Time Calculator
Strength Training
Gym Workout Planner
Strength Training
Ponderal Index Calculator
Body Composition
Muscle Mass Calculator
Body Composition
Skeletal Muscle Mass Calculator
Body Composition
Body Surface Area Calculator
Body Composition
Frame Size Calculator
Body Composition
Neck Size Calculator
Body Measurements
Wrist Size Calculator
Body Measurements
Shoulder to Waist Ratio Calculator
Body Measurements
Waist to Height Ratio Calculator
Body Composition
Body Type Calculator
Body Composition
Body Fat Calculator — Navy Method
Body Composition
Healthy Weight Calculator
Body Composition
Obesity Calculator
Body Composition
Weight Loss Calculator
Nutrition & Calories
Weight Gain Calculator
Nutrition & Calories
Protein to Calorie Ratio Calculator
Nutrition & Calories
Meal Calorie Calculator
Nutrition & Calories
Exercise Calorie Calculator
Cardio & Calories
Workout Calories Burned Calculator
Cardio & Calories
HIIT Calorie Calculator
Cardio & Calories
Supplement Dose Calculator
Nutrition & Supplements
Food Calorie Calculator
Nutrition & Calories
Lbs to Kg Converter
Converters
Kg to Lbs Converter
Converters
Miles to Km Converter
Converters
cm to Feet/Inches Converter
Converters
Calories to kJ Converter
Converters
Keto Macro Calculator
Nutrition & Calories
Alcohol Calorie Calculator
Nutrition & Calories
Sugar Intake Calculator
Nutrition & Calories
Sodium Intake Calculator
Nutrition & Calories
Fiber Intake Calculator
Nutrition & Calories
Omega-3 Calculator
Nutrition & Calories
Vegan Protein Calculator
Nutrition & Calories
Calorie Cycling Calculator
Nutrition & Calories
Body Symmetry Calculator
Body Composition
10K Pace Calculator
Cardio & Running
Cycling Power Calculator
Cardio
Elliptical Calorie Calculator
Cardio
Stair Climbing Calorie Calculator
Cardio
Triathlon Pace Calculator
Cardio
Walk Run Interval Calculator
Cardio & Running
Vitamin D Calculator
Nutrition
Overhead Press Calculator
Strength
Romanian Deadlift Calculator
Strength
Grip Strength Calculator
Strength
Bar Speed Calculator
Strength
Powerlifting Meet Predictor
Strength
Flexed Arm Calculator
Body Composition
Calf to Thigh Ratio Calculator
Body Composition
Wrist to Ankle Ratio Calculator
Body Composition
Aesthetic Body Calculator
Body Composition
Cycling Calorie Calculator
Cardio & Running
Swimming Calorie Calculator
Cardio & Running
Treadmill Calorie Calculator
Cardio & Running
Running Speed Calculator
Cardio & Running
Race Time Predictor
Cardio & Running
Half Marathon Pace Calculator
Cardio & Running
Steps to Calories Calculator
Cardio & Running
Steps to Miles & km Calculator
Cardio & Running
Walking Calorie Calculator
Cardio & Running
Resting Heart Rate Calculator
Health & Wellness
Blood Pressure Category Calculator
Health & Wellness
Stress Score Calculator
Health & Wellness
Pregnancy Weight Gain Calculator
Women's Health
Due Date Calculator
Women's Health
Ovulation Calculator
Women's Health
Sleep Calculator
Health & Wellness
Hydration Calculator
Health & Wellness
Max Heart Rate Calculator
Health & Wellness
Intermittent Fasting Calculator
Health & Wellness
Caffeine Half Life Calculator
Health & Wellness
Insulin Sensitivity Calculator
Health & Wellness
Testosterone Level by Age Calculator
Health & Wellness
Cortisol Level Calculator
Health & Wellness
Basal Body Temperature Calculator
Health & Wellness
Calories Burned by Activity
Cardio & Calories
Intermittent Fasting Schedule
Health & Wellness
Pre-Workout Meal Timing
Nutrition & Calories
Meal Plan Generator
Nutrition & Calories
Muscle Gain Timeline Calculator
Strength Training
Weight Loss Timeline Calculator
Nutrition & Calories
Workout Plan Generator
Strength Training
Workout Split Recommender
Strength Training
Exercise Library
Reference
Protein Sources List
Reference
Macro Cheat Sheet
Reference
Supplement Stack Guide
Reference
BMI Chart
Reference
One Rep Max Chart
Reference
Heart Rate Chart
Reference

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Formula Sources

Peer-Reviewed Research

Every formula is sourced from published academic studies and official federation documentation — not fitness blog approximations.

Always Current

Federation Standards

Wilks 2020, IPF GL Points, DOTS — we use the latest official coefficients. When federations update their standards, we update our calculators.

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