Health Calculators

Calories Burned Calculator – MET 8 – 15 Minutes Estimates calories burned for a 15-minute activity at 8 METs using body weight. Enter the body weight and duration. Educational estimate only. Open calculator → Calories Burned Calculator – Walking Estimates calories burned during walking from body weight, duration, and MET. Enter the body weight and duration. Educational estimate only. Open calculator → Fat Intake Calculator – Endurance Fat Intake Calculator variant focused on endurance; it performs the underlying calculation using the inputs shown. Enter the daily calories and fat from calories. Open calculator → HOMA-IR Calculator Calculates HOMA-IR from fasting glucose and fasting insulin as an insulin-resistance surrogate. Enter the fasting glucose and fasting insulin. Educational estimate only. Open calculator → Healthy Weight Calculator – 210 cm Height Calculates the adult BMI 18.5–24.9 weight range for a height of 210 cm. Enter the height. Educational estimate only. Open calculator → Hydration Calculator – Beginner Estimate daily fluid needs from weight and activity. This variant is framed for beginner use. Enter the body weight and fluid per kg. Educational estimate only. Open calculator → Macro Calculator – Beginner Macro Calculator for beginner 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 22 Estimates maximum heart rate for age 22 using an age-based formula. Enter the age. Educational estimate only. Open calculator → Maximum Heart Rate Calculator for Age 38 Estimates maximum heart rate for age 38 using an age-based formula. Enter the age. Educational estimate only. Open calculator → Maximum Heart Rate Calculator for Age 54 Estimates maximum heart rate for age 54 using an age-based formula. Enter the age. Educational estimate only. Open calculator → Maximum Heart Rate Calculator for Age 70 Estimates maximum heart rate for age 70 using an age-based formula. Enter the age. Educational estimate only. Open calculator → Ovulation Calculator – 21-Day Cycle Estimates an ovulation day and fertile-window timing for a 21-day cycle using calendar arithmetic. Enter the cycle length and first day of last period. Educational estimate Open calculator →