About DeficitCalc

Last updated: December 11, 2024

About DeficitCalc

DeficitCalc is a free resource providing evidence-based calorie calculators and weight loss tools. Our mission is to make accurate, scientific nutrition information accessible to everyone.

Our Tools

We offer:

• Calorie Deficit Calculator - Calculate daily calories for weight loss
• BMR Calculator - Determine basal metabolic rate
• TDEE Calculator - Calculate total energy expenditure
• Educational Guides - Learn about calorie deficits, meal planning, and nutrition

Our Approach

All our calculators use scientifically-validated formulas:

• Mifflin-St Jeor Equation for BMR (most accurate formula)
• Evidence-based activity multipliers
• Safe calorie minimums per health guidelines

Scientific Evidence

We cite peer-reviewed research and recommendations from:

• PubMed - Medical research database
• NIH - National Institutes of Health
• WHO - World Health Organization

Free Forever

DeficitCalc is completely free with no hidden fees, subscriptions, or paid upgrades. We believe everyone deserves access to accurate nutrition tools.

Privacy First

We don't collect or store your personal data. All calculations happen in your browser. See our Privacy Policy.

Not Medical Advice

DeficitCalc provides general information only. Always consult healthcare professionals before starting a diet. See our Medical Disclaimer.

Contact Us

Questions or feedback? Get in touch.