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    Calorie CalculatorFree Online Health Tool

    Calorie Calculator is a free online health tool. Calculate your daily calorie needs based on age, gender, weight, height, and activity level. Free TDEE and BMR calculator.

    Enter your details to calculate calories

    100% Private100% Private
    InstantInstant
    Any DeviceAny Device
    Free ForeverFree Forever
    How to useHow to use & Tips

    Steps

    1. 1Select your biological gender.
    2. 2Enter your current age, weight (kg), and height (cm).
    3. 3Choose the activity level that best matches your daily routine.
    4. 4Review your daily calorie needs for maintenance, weight loss, or muscle gain.

    Use Cases

    • -Determining daily calorie intake for weight loss
    • -Calculating BMR (Basal Metabolic Rate)
    • -Planning bulk/cut cycles for bodybuilding
    • -Understanding energy expenditure for general health monitoring

    About Calorie Calculator

    Everything you need to know about this tool and how to get the most out of it.

    What is Calorie Calculator?

    What is Calorie Calculator?

    The Calorie Calculator is a tool designed to estimate the number of calories your body burns in a day, known as your Total Daily Energy Expenditure (TDEE). It helps you determine exactly how much you should eat to maintain your current weight, lose fat, or gain muscle. By factoring in your age, gender, height, weight, and activity level, it provides a personalized nutrition baseline.
    How Calorie Calculator Works

    How Calorie Calculator Works

    Our calculator uses the Mifflin-St Jeor Equation, which is considered the gold standard for accuracy by the American Dietetic Association. First, it calculates your Basal Metabolic Rate (BMR)—the energy your body uses just to stay alive. Then, it applies an Activity Multiplier (from 1.2 for sedentary to 1.9 for very active) to calculate your TDEE. The resulting numbers for weight loss or gain are derived by subtracting or adding calories to this TDEE value.
    Why Use Calorie Calculator?

    Why Use Calorie Calculator?

    Dieting without data is just guessing. Eating too few calories can crash your metabolism and lead to muscle loss, while eating too many prevents weight loss. This tool gives you a precise starting point so you can create a sustainable nutrition plan. Whether you want to drop a few pounds for summer, fuel a marathon training block, or simply maintain your health, knowing your TDEE is essential.
    Tips

    Tips & Best Practices

    • 1Be honest about your activity level—most people overestimate how much they move.
    • 2Re-calculate your needs after every 5-10 lbs of weight change.
    • 3Use a food scale and tracking app (like MyFitnessPal) to ensure you're actually hitting these numbers.
    • 4Prioritize protein intake even when in a calorie deficit to preserve muscle mass.
    The Science of Weight Loss

    The Science of Weight Loss

    Weight management boils down to energy balance: Calories In vs. Calories Out. To lose weight (fat), you must be in a 'caloric deficit' (eating fewer calories than you burn). This calculator suggests a deficit of ~500 calories/day, which scientifically correlates to about 1 lb of fat loss per week—a safe and sustainable rate that minimizes muscle loss and metabolic adaptation.
    Activity Level Guide

    Activity Level Guide

    • Sedentary: Desk job, little to no exercise. • Lightly Active: Light exercise/sports 1-3 days/week. • Moderately Active: Moderate exercise/sports 3-5 days/week. • Very Active: Hard exercise/sports 6-7 days/week. • Extra Active: Very hard exercise/physical job or 2x training.

    Frequently Asked Questions