BMI Calculator
Body mass index from height and weight, with CDC adult categories.
Health Calculators
Calculators for body measurements, calories, nutrition and heart-rate training, built on published formulas such as Mifflin-St Jeor and the CDC BMI categories. Results are estimates, not medical advice.
Most used
Calorie Calculator
Daily calories to maintain, lose or gain weight at a chosen rate.
BMR Calculator
Basal metabolic rate with Mifflin-St Jeor, Harris-Benedict or Katch-McArdle.
Body measurements
BMI Calculator
Body mass index from height and weight, with CDC adult categories.
Body Fat Calculator
Body fat % from tape measurements (US Navy method), with fat and lean mass.
Ideal Weight Calculator
Ideal body weight by four formulas plus the healthy BMI range.
Fitness & heart
Heart Rate Zones Calculator
Five training zones in bpm from age, with optional resting heart rate.
Medical
Dental Implant Cost Calculator
Total an implant quote, subtract insurance and see a monthly payment.
Nutrition
Calorie Calculator
Daily calories to maintain, lose or gain weight at a chosen rate.
BMR Calculator
Basal metabolic rate with Mifflin-St Jeor, Harris-Benedict or Katch-McArdle.
Macro Calculator
Protein, carb and fat grams from your daily calories and a macro split.
TDEE Calculator
Total daily energy expenditure from BMR and activity level.
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