Health & Fitness Calculators
Accurate health calculators for BMI, daily calories, basal metabolic rate (BMR), body fat percentage, pregnancy due dates, water intake, and fitness goals.
Child Height Predictor Calculator 2
Estimate adult height using the mid-parental Khamis-Roche statistical algorithm....
One Rep Max (1RM) Calculator
Predict your maximal lift weight from sub-maximal repetitions using Brzycki equation....
Target Heart Rate Calculator
Find optimal aerobic and anaerobic training zones based on age and resting pulse....
Military Body Fat Tape Calculator 6
Calculate DoD physical readiness tape test body fat compliance....
Body Surface Area (BSA) Calculator 3
Calculate physiological BSA using Mosteller and DuBois clinical formulas....
Target Heart Rate Karvonen Formula Calculator 5
Calculate precise aerobic heart zones using heart rate reserve (HRR)....
Target Heart Rate Karvonen Formula Calculator 4
Calculate precise aerobic heart zones using heart rate reserve (HRR)....
Pregnancy Weight Gain Guideline Calculator 3
Track recommended weekly maternal weight gain ranges based on pre-pregnancy BMI....
Katch-McArdle BMR Calculator 3
Calculate resting metabolic rate based purely on lean body tissue mass....
Mean Arterial Pressure (MAP) Calculator 7
Calculate average arterial perfusion pressure from systolic and diastolic numbers....
Sleep Cycle Calculator
Optimize bedtime and wake times around 90-minute REM sleep cycles....
Wilks Score Strength Calculator 6
Compare powerlifting strength across different body weight classes....
VO2 Max Fitness Estimator 6
Estimate cardiorespiratory endurance using the 1.5-mile running test....
VO2 Max Fitness Estimator 4
Estimate cardiorespiratory endurance using the 1.5-mile running test....
Caffeine Half-Life Calculator
Track remaining caffeine in bloodstream to prevent bedtime insomnia....
Calories Burned Walking vs Running Calculator 3
Compare caloric expenditure per mile across walking and jogging....
VO2 Max Fitness Estimator 2
Estimate cardiorespiratory endurance using the 1.5-mile running test....
Baby Feeding & Formula Intake Calculator 3
Determine daily ounces of breast milk or formula based on infant body weight....
Child Height Predictor Calculator 6
Estimate adult height using the mid-parental Khamis-Roche statistical algorithm....
Military Body Fat Tape Calculator 3
Calculate DoD physical readiness tape test body fat compliance....
Creatinine Clearance (Cockcroft-Gault) Calculator 6
Estimate glomerular filtration rate and kidney medication filtration....
Cycling Power to Weight (Watts/Kg) Calculator 4
Measure cycling climbing efficiency by dividing functional threshold power by weight....
Calories Burned Walking vs Running Calculator 7
Compare caloric expenditure per mile across walking and jogging....
Body Surface Area (BSA) Calculator 2
Calculate physiological BSA using Mosteller and DuBois clinical formulas....
Lean Body Mass Calculator
Calculate total mass minus fat tissue to optimize athletic nutrition....
Child Height Predictor Calculator 5
Estimate adult height using the mid-parental Khamis-Roche statistical algorithm....
Katch-McArdle BMR Calculator 2
Calculate resting metabolic rate based purely on lean body tissue mass....
Mean Arterial Pressure (MAP) Calculator 5
Calculate average arterial perfusion pressure from systolic and diastolic numbers....
Baby Feeding & Formula Intake Calculator 5
Determine daily ounces of breast milk or formula based on infant body weight....
Katch-McArdle BMR Calculator 4
Calculate resting metabolic rate based purely on lean body tissue mass....
Baby Feeding & Formula Intake Calculator 6
Determine daily ounces of breast milk or formula based on infant body weight....
DOT Physical BMI & Neck Size Apnea Calculator 7
Evaluate commercial driver sleep apnea screening risk factors....
Pregnancy Due Date Calculator
Calculate estimated delivery date based on last menstrual period (LMP)....
DOT Physical BMI & Neck Size Apnea Calculator 6
Evaluate commercial driver sleep apnea screening risk factors....
Target Heart Rate Karvonen Formula Calculator 3
Calculate precise aerobic heart zones using heart rate reserve (HRR)....
Child Height Predictor Calculator 3
Estimate adult height using the mid-parental Khamis-Roche statistical algorithm....