Health Calculators

BMR Calculator for Age 37 Calculates BMR for an adult age 37 using the Mifflin-St Jeor equation. Enter the sex and age. Educational estimate only. Open calculator → BMR Calculator for Age 53 Calculates BMR for an adult age 53 using the Mifflin-St Jeor equation. Enter the sex and age. Educational estimate only. Open calculator → BMR Calculator for Age 69 Calculates BMR for an adult age 69 using the Mifflin-St Jeor equation. Enter the sex and age. Educational estimate only. Open calculator → BMR Calculator – Age 50 BMR Calculator variant focused on age 50; it performs the underlying calculation using the inputs shown. Enter the sex and age. Educational estimate only. Open calculator → Calorie Calculator Estimates daily calorie needs from Mifflin-St Jeor BMR and activity level. Enter the sex and age. Educational estimate only. Open calculator → Calorie Calculator – Age 20 – Maintenance Calorie Calculator – Age 20 – Maintenance calculator with a clear formula, worked example, inputs, and educational interpretation. Sample: 2,584.6 kcal/day. Open calculator → Calorie Calculator – Age 30 – Weight Gain Calorie Calculator – Age 30 – Weight Gain calculator with a clear formula, worked example, inputs, and educational interpretation. Sample: 2,807.1 kcal/day. Open calculator → Calorie Calculator – Age 40 – Weight Loss Calorie Calculator – Age 40 – Weight Loss calculator with a clear formula, worked example, inputs, and educational interpretation. Sample: 1,929.6 kcal/day. Open calculator → Calorie Calculator – Age 52 – Maintenance Calorie Calculator – Age 52 – Maintenance calculator with a clear formula, worked example, inputs, and educational interpretation. Sample: 2,336.6 kcal/day. Open calculator → Calorie Calculator – Age 62 – Weight Gain Calorie Calculator – Age 62 – Weight Gain calculator with a clear formula, worked example, inputs, and educational interpretation. Sample: 2,559.1 kcal/day. Open calculator → Calorie Calculator – Age 72 – Weight Loss Calorie Calculator – Age 72 – Weight Loss calculator with a clear formula, worked example, inputs, and educational interpretation. Sample: 1,681.6 kcal/day. Open calculator → Calorie Needs Calculator – Muscle Gain Convert a calorie allocation into carbohydrate grams with calorie needs calculator – muscle gain. Includes the formula, example, and practical interpretation. Open calculator →