Pillar 03 — Tools
Performance Tools
Calculators built to answer a real question — not to farm your email. Every tool gives you the full result first, shows its math, and never gates anything behind a signup.
Protein Calculator
How much protein do you actually need per day for your goal and training load?
Open tool →NutritionTDEE & Calorie Calculator
How many calories do you burn per day — and how many should you eat for your goal?
Open tool →NutritionMacro Calculator
How much protein, carbs, and fat should you eat per day for your goal and diet style?
Open tool →TrainingOne Rep Max Calculator
What is your estimated one-rep max and what loading percentages should you train at?
Open tool →TrainingHeart Rate Zone Calculator
What are your five heart rate training zones — and where should Zone 2 cardio sit?
Open tool →TrainingVO2 Max Calculator
How big is your aerobic engine — and where do you rank for your age and sex?
Open tool →ResearchPeptide Reconstitution Calculator
How much volume should you draw from a reconstituted peptide vial?
Open tool →ResearchPeptide Dosing Calculator
What dose, schedule, cycle length, and vial count does a research protocol require?
Open tool →ResearchPeptide Comparison Tool
How do two or three peptides stack up on evidence, protocol, and safety — side by side?
Open tool →The Atlas Tools Standard
- Full results first — never locked behind an email.
- The formula is shown, not hidden.
- Ranges, not false precision.
- Sources cited, so you can check the evidence yourself.