Health Calculators

Calorie Calculator – Age 58 – Maintenance Estimates calorie needs for age 58 with a maintenance goal using Mifflin-St Jeor BMR and activity. Enter the sex and age. Educational estimate only. Open calculator → Calorie Calculator – Age 68 – Weight Gain Estimates calorie needs for age 68 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 78 – Weight Loss Estimates calorie needs for age 78 with a weight loss goal using Mifflin-St Jeor BMR and activity. Enter the sex and age. Educational estimate only. Open calculator → Calories Burned Calculator – Bulking Calories Burned Calculator for bulking planning; calculates the result from the inputs displayed on the calculator. Enter the body weight and duration. Educational estimate Open calculator → Calories Burned Calculator – MET 12 – 45 Minutes Estimates calories burned for a 45-minute activity at 12 METs using body weight. Enter the body weight and duration. Educational estimate only. Open calculator → Calories Burned Calculator – MET 5 – 45 Minutes Estimates calories burned for a 45-minute activity at 5 METs using body weight. Enter the body weight and duration. Educational estimate only. Open calculator → Calories Burned Calculator – MET 9 – 45 Minutes Estimates calories burned for a 45-minute activity at 9 METs using body weight. Enter the body weight and duration. Educational estimate only. Open calculator → Carbohydrate Calculator – Low Fat Carbohydrate Calculator variant focused on low fat; it performs the underlying calculation using the inputs shown. Enter the daily calories and carbs from calories. Open calculator → Gestational Age Calculator – Week 16 Calculates estimated gestational age from the last menstrual period and shows a week-based pregnancy estimate. Enter the first day of last period. Educational estimate only. Open calculator → Healthy Weight Calculator – 160 cm Height Calculates the adult BMI 18.5–24.9 weight range for a height of 160 cm. Enter the height. Educational estimate only. Open calculator → Heart Rate Reserve Calculator – Evening Calculate heart rate reserve from age-based maximum heart rate and resting heart rate. This variant is framed for evening use. Enter the resting hr and max hr. Educational Open calculator → Hydration Calculator – Workout Estimate daily fluid needs from weight and activity. This variant is framed for workout use. Enter the body weight and fluid per kg. Educational estimate only. Open calculator →