Calorie Calculator App Free

Free Calorie Calculator App

Male Female
Sedentary (Office job, little exercise) Lightly Active (Exercise 1-3 days/week) Moderately Active (Exercise 3-5 days/week) Very Active (Hard exercise 6-7 days/week) Extra Active (Physical job or 2x training)

Your Daily Calorie Results

To maintain your current weight, you need:

Weight Loss (0.5kg/week)
Weight Gain (0.5kg/week)

How Does a Free Calorie Calculator App Help You?

Managing your weight effectively requires understanding the balance between energy intake and expenditure. A calorie calculator app free of charge provides you with a scientific estimate of how many calories your body burns in a day, known as your Total Daily Energy Expenditure (TDEE).

The Science Behind the Calculation

This calculator uses the Mifflin-St Jeor Equation, which is widely considered the most accurate formula for predicting Basal Metabolic Rate (BMR) in healthy individuals. By combining your BMR with your physical activity level, the tool determines the energy required to sustain your current body mass.

  • Maintenance: The exact calories needed to stay at your current weight.
  • Deficit: Reducing intake by 500 calories per day usually leads to approximately 0.5kg of fat loss per week.
  • Surplus: Increasing intake by 500 calories per day supports healthy weight gain and muscle growth.

Example Calculation

Let's look at a practical scenario for a typical user:

User Profile: 30-year-old Female, 165cm tall, weighing 65kg with Moderate Activity.
BMR: ~1,385 calories/day.
Daily TDEE: ~2,147 calories/day.
To Lose Weight: Aim for ~1,647 calories/day.

Frequently Asked Questions

Is this calorie calculator app really free?
Yes, this web-based tool provides full access to calorie estimation without any subscription fees or hidden costs.

How accurate are the results?
While the formulas are scientifically backed, factors like body fat percentage, muscle mass, and metabolic health can influence the actual numbers. Use this as a starting point and adjust based on your progress.

Should I eat fewer than 1,200 calories?
It is generally recommended that women do not consume fewer than 1,200 calories and men no fewer than 1,500 calories per day without medical supervision to ensure adequate nutrient intake.

function calculateCalories() { var gender = document.getElementById("gender").value; var age = parseFloat(document.getElementById("age").value); var weight = parseFloat(document.getElementById("weight").value); var height = parseFloat(document.getElementById("height").value); var activity = parseFloat(document.getElementById("activity").value); if (!age || !weight || !height || age <= 0 || weight <= 0 || height 1000 ? loss : "Consult a doctor") + " kcal/day"; document.getElementById("gain-calories").innerText = gain + " kcal/day"; document.getElementById("calorie-result").style.display = "block"; document.getElementById("calorie-result").scrollIntoView({ behavior: 'smooth' }); }

Leave a Comment