calcufly-health

Health and fitness calculator functions for Node.js. BMI, BMR, TDEE, body fat, calories, macros, heart rate zones and more.

Part of the CalcuFly calculator suite — 600+ free online calculators.

Installation

npm install calcufly-health

Quick Start

const health = require('calcufly-health');

// BMI
const bmi = health.bmi(75, 175);
console.log(bmi); // { bmi: 24.49, category: 'Normal weight' }

// BMR (Mifflin-St Jeor)
const bmr = health.bmrMifflin(75, 175, 30, 'male');
console.log(bmr); // 1723.75

// TDEE
const tdee = health.tdee(1724, 'moderate');
console.log(tdee); // 2672.2

// Calories burned
const cal = health.caloriesBurned(8, 70, 30);
console.log(cal); // 280

API Reference

| Function | Description | |----------|-------------| | bmi(weightKg, heightCm) | Body Mass Index | | bmrMifflin(weight, height, age, gender) | Basal Metabolic Rate | | bmrHarrisBenedict(weight, height, age, gender) | BMR Harris-Benedict | | tdee(bmr, activityLevel) | Total Daily Energy Expenditure | | calorieDeficit(tdee, targetLoss) | Calorie deficit plan | | macroSplit(calories, protein%, carb%, fat%) | Macro nutrient split | | bodyFatNavy(waist, neck, height, gender, hip) | Body fat % (Navy) | | idealWeightDevine(height, gender) | Ideal weight | | heartRateZones(age, restingHR) | Training heart rate zones | | vo2Max(age, restingHR) | VO2 Max estimate | | oneRepMax(weight, reps) | 1RM strength estimate | | caloriesBurned(met, weight, duration) | Calories burned | | pregnancyDueDate(lastPeriod) | Due date calculator | | alcoholBAC(drinks, weight, gender, hours) | Blood alcohol | | paceCalculator(distance, time) | Running pace | | waterIntake(weight, activity) | Daily water needs |

Try these calculations online at CalcuFly.com — free, no signup required.

License

MIT — CalcuFly