Interactive Tool
Nutrition Calculator
Estimate your daily energy needs using validated scientific equations. No guesswork, just data tailored to your physiology.
Your Parameters
yrs
lbs
ft
in
Sources & Methodology
Energy Expenditure
- BMR: Calculated using the Mifflin-St Jeor equation (1990).
- TEF: Estimated at 10% of total energy intake.
- Pregnancy: Adjustments based on the Dietary Guidelines for Americans, 2020-2025.
Macronutrients
- AMDR: Ranges derived from the Institute of Medicine's Dietary Reference Intakes.
Disclaimer: This tool provides general estimates for informational purposes only. It is not medical advice.
Mobile Companion
Take your ranges with you.
Most people don't remember these numbers after a few days. Use our mobile app to reference your AMDR targets, adjust for activity changes, and maintain energy balance without strict calorie counting.