Health Calculators

Calories Burned Calculator – MET 9 – 15 Minutes Estimates calories burned for a 15-minute activity at 9 METs using body weight. Enter the body weight and duration. Educational estimate only. Open calculator → Carbohydrate Calculator – Balanced Carbohydrate Calculator variant focused on balanced; it performs the underlying calculation using the inputs shown. Enter the daily calories and carbs from calories. Open calculator → Gestational Age Calculator – Week 10 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 – 150 cm Height Calculates the adult BMI 18.5–24.9 weight range for a height of 150 cm. Enter the height. Educational estimate only. Open calculator → Heart Rate Reserve Calculator – Beginner Calculate heart rate reserve from age-based maximum heart rate and resting heart rate. This variant is framed for beginner use. Enter the resting hr and max hr. Educational Open calculator → Hydration Calculator – Rest Day Estimate daily fluid needs from weight and activity. This variant is framed for rest day use. Enter the body weight and fluid per kg. Educational estimate only. Open calculator → Macro Calculator – Gym Macro Calculator for gym planning; calculates the result from the inputs displayed on the calculator. Enter the daily calories and protein. Educational estimate only. Open calculator → Maximum Heart Rate Calculator for Age 26 Estimates maximum heart rate for age 26 using an age-based formula. Enter the age. Educational estimate only. Open calculator → Maximum Heart Rate Calculator for Age 42 Estimates maximum heart rate for age 42 using an age-based formula. Enter the age. Educational estimate only. Open calculator → Maximum Heart Rate Calculator for Age 58 Estimates maximum heart rate for age 58 using an age-based formula. Enter the age. Educational estimate only. Open calculator → Maximum Heart Rate Calculator for Age 74 Estimates maximum heart rate for age 74 using an age-based formula. Enter the age. Educational estimate only. Open calculator → Ovulation Calculator – 30-Day Cycle Estimates an ovulation day and fertile-window timing for a 30-day cycle using calendar arithmetic. Enter the cycle length and first day of last period. Educational estimate Open calculator →