Nutrition
Female Athlete Energy Availability Calculator
Estimate energy availability from intake, exercise expenditure and fat-free mass.
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Energy availability = (energy intake - exercise energy expenditure) ÷ fat-free mass.
Method and limitations
Energy availability = (energy intake - exercise energy expenditure) ÷ fat-free mass. The exact method can differ between organisations, sports and populations, so use this page as a transparent starting point rather than a final decision.
For current standards, check the official governing body or competition notice. Keep a record of your inputs so you can compare changes over time under consistent conditions.
Frequently Asked Questions
Disclaimer: This calculator is for general education and fitness planning only. It does not provide medical advice or guarantee eligibility. Read the full disclaimer.