Free calculators
Evidence-based nutrition math. Or skip the form — text START to +1 (512) 737-7110 and your Threwline coach handles all of this in a quick intake.
TDEE Calculator
Your total daily energy expenditure — calories burned at your activity level. Uses Mifflin-St Jeor.
OpenMacro Calculator
Calorie and protein / carb / fat targets tailored to your goal. Evidence-based protein scaling.
OpenBMI Calculator
Body mass index — quick screening tool. Useful as a reference, not a verdict.
OpenProtein Calculator
How much protein you actually need for your goal. Based on the ISSN meta-analysis.
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