Health Calculators

Calorie Calculator – Age 20 – Weight Loss Estimates calorie needs for age 20 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 32 – Maintenance Estimates calorie needs for age 32 with a maintenance goal using Mifflin-St Jeor BMR and activity. Enter the sex and age. Educational estimate only. Open calculator → Calorie Calculator – Age 42 – Weight Gain Estimates calorie needs for age 42 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 52 – Weight Loss Estimates calorie needs for age 52 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 64 – Maintenance Estimates calorie needs for age 64 with a maintenance goal using Mifflin-St Jeor BMR and activity. Enter the sex and age. Educational estimate only. Open calculator → Calorie Calculator – Age 74 – Weight Gain Estimates calorie needs for age 74 with a weight gain goal using Mifflin-St Jeor BMR and activity. Enter the sex and age. Educational estimate only. Open calculator → Calorie Needs Calculator – Very Active Calorie Needs Calculator variant focused on very active; it performs the underlying calculation using the inputs shown. Enter the sex and age. Educational estimate only. Open calculator → Calories Burned Calculator – Jump Rope Estimates calories burned during jump rope from body weight, duration, and MET. Enter the body weight and duration. Educational estimate only. Open calculator → Calories Burned Calculator – MET 3 – 60 Minutes Estimates calories burned for a 60-minute activity at 3 METs using body weight. Enter the body weight and duration. Educational estimate only. Open calculator → Calories Burned Calculator – MET 7 – 60 Minutes Estimates calories burned for a 60-minute activity at 7 METs using body weight. Enter the body weight and duration. Educational estimate only. Open calculator → Calories Burned Calculator – Training Day Calories Burned Calculator for training day planning; calculates the result from the inputs displayed on the calculator. Enter the body weight and duration. Educational Open calculator → FENa Calculator Calculates fractional excretion of sodium from urine and plasma sodium and creatinine. Enter the urine na and plasma na. Educational estimate only. Open calculator →