How to Use Female Athlete Formula Suite
The Female Athlete Formula Suite bundles formulas calibrated specifically for female physiology — covering energy availability, hormonal cycle phase adjustments, and RED-S risk indicators — into a single tool. Enter your body composition, training load, and dietary intake; the tool returns an energy availability score and flags sub-threshold values that have been associated with relative energy deficiency in sport.
What It Does
Use the calculator with intent
The Female Athlete Formula Suite bundles formulas calibrated specifically for female physiology — covering energy availability, hormonal cycle phase adjustments, and RED-S risk indicators — into a single tool. Enter your body composition, training load, and dietary intake; the tool returns an energy availability score and flags sub-threshold values that have been associated with relative energy deficiency in sport.
Athletes, coaches, and AI agents who need a quick, reproducible answer with named limitations rather than a generic estimate.
Interpreting Results
The hero number is the primary formula output for your profile. Because the Female Athlete Formula Suite bundles multiple equations, check the secondary stats to see which sub-formula drove the result — a high hormone or RED-S risk indicator in the secondary panel is more actionable than the headline number alone. The methodology page names each formula source so you can assess which applies most to your context.
Input Steps
Field by field
- 1
Enter inputs
Enter your values using the sliders and steppers. Defaults represent a reasonable midpoint.
- 2
Read outputs
Read the hero number first. Secondary stats provide context and ranges.
- 3
Follow
Follow the methodology link for formulas, coefficients, and citations.
- 4
Adjust parameters
Adjust each input one at a time to see how the hero number responds.
Run the suite at your current inputs, then shift body fat percentage by 3 percentage points — if the hero number changes substantially, accurate body composition data is the prerequisite for trusting the output.
Common Scenarios
Use realistic starting points
FAQ
Questions people ask next
The short answers readers usually want after the first pass.