Free calculators, built for the protocol you're running.
Five no-login tools for the math that comes up when you're tracking a peptide, GLP-1, TRT, or longevity protocol. Real formulas. Cited sources. Honest limitations.
-
01
BMI Calculator
Body Mass Index from your height and weight. The starting line, not the finish.
Open → -
02
TDEE Calculator
Total Daily Energy Expenditure. Your maintenance calories using the Mifflin-St Jeor equation.
Open → -
03
Calorie Deficit Calculator
How many calories below maintenance for a target weekly fat-loss rate. With safety floors.
Open → -
04
Protein Calculator
Daily protein range based on body weight, activity, and goal — sourced to ISSN guidelines.
Open → -
05
Water Intake Calculator
Daily fluid target adjusted for body weight, activity, and climate. Liters or fluid ounces.
Open →
None of these calculators replace a clinician. They are math, not advice. PeptideTrack does not provide medical guidance — see our Medical Disclaimer.