Weight Loss Calculator

Create a clear, actionable plan to reach your target weight. This tool calculates your daily calorie and macro needs for a safe and effective weight loss journey.

Create Your Personalized Plan

Age *

Gender *

Height *

Current Weight *

Activity Level *

Goal Weight *

Rate of Loss *

Name (Optional)

Email (Optional)

How to Lose Weight Effectively

Weight loss occurs when you consistently consume fewer calories than your body burns. This is known as a **caloric deficit**. Our calculator helps you find the right deficit for your goals by first determining your Total Daily Energy Expenditure (TDEE) and then subtracting calories based on your desired rate of loss.

Understanding Your Results

Maintenance Calories (TDEE): This is how many calories your body burns daily with your activity level included. Eating this amount maintains your current weight.
Weight Loss Calories: This is your target daily intake to achieve your desired rate of weight loss. It is your TDEE minus a safe caloric deficit.
Daily Macros: We provide a high-protein macro split (40% Protein, 30% Carbs, 30% Fat) to help preserve muscle and keep you feeling full while in a deficit.

Disclaimer: This calculator provides an estimate. A weight loss of more than 1 kg (2 lbs) per week is not recommended for most individuals. Always consult a healthcare provider before starting a new diet or exercise plan.

Tips for Success

Prioritize Protein

Keeps you feeling full and helps maintain muscle mass.

Stay Hydrated

Water is crucial for metabolism and can help control hunger.

Lift Weights

Strength training preserves muscle while you lose fat.

About This Calculator

Weight Loss Calculator estimates maintenance calories, a calorie target, macronutrients and an approximate timeline toward a lower goal weight. It is designed to give a quick, understandable estimate from age, sex, height, current weight, goal weight, activity level and selected rate of loss so the result can be used as a starting point for learning, tracking or a more informed discussion.

Methodology

Inputs used: Age, sex, height, current weight, goal weight, activity level and selected rate of loss.
Calculation approach: The live processor estimates BMR with Mifflin-St Jeor, applies an activity factor, subtracts the selected calorie deficit and estimates a timeline from the configured energy-per-kilogram assumption.
Interpretation: Results are presented as an estimate and should be read together with the limitations described below.

Frequently Asked Questions

What does the Weight Loss Calculator estimate?

Estimates maintenance calories, a calorie target, macronutrients and an approximate timeline toward a lower goal weight.

How is this result calculated?

The live processor estimates BMR with Mifflin-St Jeor, applies an activity factor, subtracts the selected calorie deficit and estimates a timeline from the configured energy-per-kilogram assumption. The calculation uses age, sex, height, current weight, goal weight, activity level and selected rate of loss.

How should I use the result?

The body adapts during weight loss, so a simple fixed-deficit timeline should be treated as an estimate rather than a promise. Use the number as an estimate and consider professional advice when the result may affect health, treatment, pregnancy, nutrition, exercise safety or another important decision.