Health Calculators

Calorie Calculator – Age 18 – Weight Gain Estimates calorie needs for age 18 with a weight gain goal using Mifflin-St Jeor BMR and activity. Enter the sex and age. Educational estimate only. Open calculator → Calorie Calculator – Age 28 – Weight Loss Estimates calorie needs for age 28 with a weight loss goal using Mifflin-St Jeor BMR and activity. Enter the sex and age. Educational estimate only. Open calculator → Calorie Calculator – Age 40 – Maintenance Estimates calorie needs for age 40 with a maintenance goal using Mifflin-St Jeor BMR and activity. Enter the sex and age. Educational estimate only. Open calculator → Calorie Calculator – Age 50 – Weight Gain Estimates calorie needs for age 50 with a weight gain goal using Mifflin-St Jeor BMR and activity. Enter the sex and age. Educational estimate only. Open calculator → Calorie Calculator – Age 60 – Weight Loss Estimates calorie needs for age 60 with a weight loss goal using Mifflin-St Jeor BMR and activity. Enter the sex and age. Educational estimate only. Open calculator → Calorie Calculator – Age 72 – Maintenance Estimates calorie needs for age 72 with a maintenance goal using Mifflin-St Jeor BMR and activity. Enter the sex and age. Educational estimate only. Open calculator → Calorie Needs Calculator – Maintenance Calorie Needs Calculator variant focused on maintenance; it performs the underlying calculation using the inputs shown. Enter the sex and age. Educational estimate only. Open calculator → Calories Burned Calculator – Evening Estimate calories burned from body weight, duration, and MET. This variant is framed for evening use. Enter the body weight and duration. Educational estimate only. Open calculator → Calories Burned Calculator – MET 2 – 60 Minutes Estimates calories burned for a 60-minute activity at 2 METs using body weight. Enter the body weight and duration. Educational estimate only. Open calculator → Calories Burned Calculator – MET 6 – 60 Minutes Estimates calories burned for a 60-minute activity at 6 METs using body weight. Enter the body weight and duration. Educational estimate only. Open calculator → Calories Burned Calculator – Rowing Estimates calories burned during rowing from body weight, duration, and MET. Enter the body weight and duration. Educational estimate only. Open calculator → Corrected Calcium Calculator Estimates albumin-corrected calcium using a common correction formula. Enter the measured calcium and albumin. Educational estimate only. Open calculator →