Weight Loss Calculator

Calculate the daily calorie deficit needed to reach your goal weight. Get a realistic timeline, weekly milestones, and safety warnings. All calculations run locally.

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How to Use the Weight Loss Calculator

  1. Enter your current and target weight.
  2. Provide your height, age, and sex for BMR calculation.
  3. Select your activity level.
  4. Choose your desired weekly weight loss rate.
  5. View your daily calorie target, timeline, and milestones.

Features

  • BMR calculated via Mifflin-St Jeor equation
  • TDEE based on your activity level
  • Safe calorie floor enforced (1200/1500 minimum)
  • Weekly milestones with projected dates
  • Safety warnings for aggressive goals
  • 100% client-side -- no data sent to any server

Disclaimer

This calculator provides estimates only and is not medical advice. Consult a healthcare professional before starting any weight loss program.

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Disclaimer: This tool is provided as-is for informational and educational purposes only.

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