Build and budget your biohacking longevity stack. Select from 20+ interventions across supplements, testing, devices, lifestyle, and premium categories with live cost tracking.
Last updated: March 1, 2026
Build and budget your biohacking longevity stack. Select from 20+ interventions across supplements, testing, devices, lifestyle, and premium categories with live cost tracking. This tool runs in-browser for fast results…
Yes. It is completely free with no signup required, no limits, and no hidden charges. It runs entirely in your browser.
Your data is processed entirely in your browser and never sent to any server. Nothing is stored or shared — your privacy is guaranteed.
No. The tool works instantly with no registration or account required. Your data stays in your browser.
Yes. The tool is fully responsive and works on smartphones, tablets, and desktop browsers.
Body Fat Calculator (Navy Method)
Calculate body fat percentage using the U.S. Navy method. Shows lean mass, fat mass, and body fat category.
Daily Water Intake Calculator
Calculate daily water needs based on body weight, activity level, and climate. Shows glasses and bottles per day.
Lifespan Calculator
Estimate your life expectancy based on age, sex, lifestyle, diet, exercise, sleep, stress, and health factors. See how long you have left and how to improve it.
Macro Calculator
Calculate protein, carb, and fat grams from your calorie target. Presets for cutting, maintaining, and bulking.
One Rep Max (1RM) Calculator
Estimate your 1RM via Epley, Brzycki, and Lombardi formulas. Percentage chart for training loads.
Pregnancy Due Date Calculator
Calculate your due date from LMP or conception date. Shows trimester timeline, gestational age, and week-by-week milestones.
Running Pace Calculator
Calculate pace from distance and time, or finish time from pace and distance. Split table for 5K, 10K, half marathon, and marathon.
TDEE Calculator
Calculate Total Daily Energy Expenditure using Mifflin-St Jeor BMR and activity multiplier. Shows calorie targets for weight goals.
Select interventions above to see your stack summary.
Biohacking is the practice of using science, technology, and self-experimentation to optimize your body's performance, health, and lifespan. Longevity optimization focuses specifically on interventions that may slow biological aging, prevent age-related disease, and extend healthspan — the number of years lived in good health.
A "longevity stack" is the combination of supplements, tests, devices, and lifestyle practices you adopt as part of your health optimization routine. The key is to start with the highest-impact, lowest-cost interventions first and expand as your budget allows.
Focus on foundational supplements (Vitamin D, Omega-3, Magnesium, Creatine), a gym membership, and basic sleep optimization. These provide roughly 80% of the benefit at under 20% of the cost of a full premium stack.
Add NAD+ precursors (NMN/NR), quarterly bloodwork, a wearable for HRV and sleep tracking, organic food upgrades, and additional supplements like collagen and probiotics.
Include advanced diagnostics (epigenetic age tests, DEXA scans, CGM), heat and cold exposure, red light therapy, and optional pharmaceutical interventions like low-dose metformin or rapamycin under physician supervision.
This calculator is for educational and budgeting purposes only. It does not constitute medical advice. Pharmaceutical interventions (metformin, rapamycin, HRT) require a prescription and physician oversight. Always consult a qualified healthcare provider before starting any new supplement, medication, or health protocol. Individual results vary and many longevity interventions are based on emerging research that has not been fully validated in long-term human trials.