Weight Loss Calorie Calculator

Estimate your daily calorie intake for weight loss based on your personal stats and goals.

isCalculator Editorial Team Published by:
Reviewed by: Review Board
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How to use this tool?

This calculator estimates your daily calorie target for weight loss using the Mifflin-St Jeor equation. Follow these steps:

  1. Enter your age (10–120 years), weight (20–500 kg), and height (50–250 cm). All inputs are in metric units (kg and cm).
  2. Select your gender (Male or Female).
  3. Choose your activity level from the dropdown (Sedentary to Extra active).
  4. Pick your weight loss goal (0.5 to 2 lb per week). The calculator subtracts 500 calories per pound of weekly loss.
  5. Click “Calculate”. Your daily calorie target appears below.

Important: If the result is below 1,200 calories, an error warns you to adjust your goal. Always consult a professional before extreme diets.

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Frequently Asked Questions

We use the Mifflin-St Jeor equation to estimate your Basal Metabolic Rate (BMR), then multiply by an activity factor to get maintenance calories. We subtract 500 calories per pound of desired weekly weight loss to get your target.

A deficit of 500-1000 calories per day is generally considered safe, leading to 1-2 pounds of weight loss per week. Avoid going below 1200 calories per day for women and 1500 for men without medical supervision.

This calculator is specifically designed for weight loss. For weight gain, you would need to add calories instead of subtracting.

Reviewed by Experts

Anita Leonor F. Jaime

Anita Leonor F. Jaime

Physician

Dedicated Occupational Physician with experience in Occupational Medicine and emergency care. Proficient in health assessments, hygiene management, and compliance with safety standards. Committed to promoting occupational health and improving workplace quality of life.

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Dr. Leonilde Melgaço

Dr. Leonilde Melgaço

Medical Doctor

Primary health care and Assistant Physician in Occupational Medicine

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Dr. Zouheir Ballouk

Dr. Zouheir Ballouk

Doctor

Medical Doctor Phd

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Layla Nesr

Layla Nesr

Nutritionist

Bachelor’s Degree, BS in Nutrition and Dietetics

LinkedIn
Neil Chaves

Neil Chaves

Doctor

Dentist

LinkedIn
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