All Fitness Calculators
Choose from our comprehensive collection of fitness calculators and tools. All calculators are free, accurate, and based on scientific formulas.
45 calculators found
Weightlifting Calorie Burn Calculator
alculate calories burned during weightlifting workouts based on exercises, sets, reps, and body composition
TDEE Calculator
Calculate daily energy expenditure with nutrition recommendations
HIIT Calories Calculator
Calculate calories burned during High-Intensity Interval Training with precise interval timing, exercise selection, and afterburn effect analysis
BMI Calculator
Calculate Body Mass Index and weight category with health recommendations
Macro Calculator For Muscle Gain
Optimize protein, carbs, and fats for muscle building with training adjustments
Workout Volume Calculator
Calculate total training volume by tracking sets, reps, and weights across multiple exercises including bodyweight movements
VO2 Max Calculator
Measure cardiovascular fitness using Cooper Test, Rockport Walk, and heart rate methods
Keto Calculator for Fat Loss
Calculate precision ketogenic macronutrients for maximum fat burning
Powerlifting Total Calculator
Calculate your powerlifting total and Wilks score from squat, bench press, and deadlift to measure strength across weight classes
Progressive Overload Calculator
Calculate scientifically-based progressive overload recommendations for strength training based on experience, age, gender, body composition, and training phase
Body Recomposition Calculator
Calculate precise nutrition needs for simultaneous muscle gain and fat loss
Maingaining Calculator
Calculate optimal calories and macros for body recomposition, lean bulking, and strategic cutting phases
Squat One Rep Max Calculator
Estimate squat 1RM using multiple formulas with bodyweight and variation adjustments
Deadlift One Rep Max Calculator
Calculate deadlift 1RM with bodyweight mechanics for all deadlift variations
Jumping Jacks Calories Calculator
Calculate calories burned doing jumping jacks with precise MET-based calculations for different intensity levels and body weights
Push-up to Bench Press Calculator
Convert your push-up performance to equivalent bench press weight for strength tracking
Bench Press To Push-up Calculator
Calculate how many push-ups you should be able to do based on your bench press strength
High Knees Calories Calculator
Calculate calories burned doing high knees exercise with precise MET-based calculations for different intensity levels and body weights
Dumbbell to Barbell Bench Calculator
Convert between dumbbell and barbell bench press weights accurately
Leg Press to Squat Calculator
Convert leg press weight to equivalent squat strength across different machine angles
Burpees Calories Calculator
Calculate calories burned doing burpees with precise MET-based calculations including afterburn effect estimation for maximum intensity workouts
Squat to Leg Press Calculator
Convert squat performance to leg press potential for different squat variations
Smith Machine to Bench Press Calculator
Convert Smith machine bench press to equivalent free weight barbell bench
Sprinting Calories Calculator
Calculate calories burned during sprint workouts with different surfaces, intensities, and training protocols including significant afterburn effects
BMI Calculator For Bodybuilders
Advanced body composition analysis combining BMI, FFMI, and body fat for athletes
Creatine Loading Calculator
Calculate your optimal creatine dosage based on body weight and creatine type - personalized loading and maintenance doses
Kettlebell Swings Calories Calculator
Calculate calories burned during kettlebell swings based on weight, duration, swing style and intensity level
Warm-Up Sets Calculator
Generate progressive warm-up sets with optimal weight progression for any lift
Bench Press Warm Up Calculator
Generate warm-up sets with optimal weight progression for bench press
Cooper Test VO2 Max Calculator
Calculate VO2 Max from 12-minute run distance with performance ratings
Push-up Calories Calculator
Calculate calories burned during push-up workouts with various modifications, rep rates, and difficulty progressions for upper body strength training
Cycling VO2 Max Calculator
Cycling-specific VO2 Max calculator using power output and heart rate data
Carnivore TDEE Calculator
TDEE calculator with carnivore diet adaptations and enhanced protein needs
Reverse BMI Calculator
Find your target weight based on height and desired BMI category
Plank Calories Calculator
Calculate calories burned during plank exercises with different variations, hold times, and set structures for core strength and stability training
Reverse Dieting Calculator
Create a personalized plan to gradually increase calories and restore your metabolism after dieting
Barbell Math Calculator
Calculate exact plate combinations needed to load any barbell weight
Pull-Up 1RM Calculator
Calculate your one-rep max for pull-ups using multiple proven formulas. Supports bodyweight and weighted variations.
Bicep Curl 1RM Calculator
Estimate bicep curl 1RM using proven formulas with automatic adjustments for all curl variations and grip types.
Front Squat 1RM Calculator
Calculate your front squat one-rep max using multiple formulas with back squat equivalents and training percentages.
Running Speed Calculator
Convert between running pace and speed with distance and time calculations - supports both miles and kilometers
Dumbbell Bench Press 1RM Calculator
Estimate dumbbell bench press 1RM using proven formulas with barbell equivalents and unilateral strength analysis.
Metabolic Age Calculator
Advanced metabolism assessment combining BMR, body composition, and activity analysis for personalized metabolic health insights
Army Height and Weight Calculator
Free, unofficial Army height and weight calculator with body fat assessment. Check compliance with AR 600-9 standards and military fitness requirements instantly.
Waist to Hip Ratio Calculator
Calculate your waist-to-hip ratio and assess health risks with professional accuracy - complete body composition analysis