Understand Your Body. Live Your Life.
Free analytical living calculators to help you make smarter wellness and lifestyle decisions.
⚡ Featured Health & Body Tools
BMI Calculator
Body Mass Index with age‑adjusted interpretation.
Body Fat % Estimator
US Navy method. See your true muscle‑to‑fat ratio.
Calorie Deficit
Daily calorie target for weight loss based on your body & activity.
Browse all calculators — More tools: Waist‑to‑Hip Ratio, Heart Rate Zones, VO₂ Max, 1‑Rep Max, Strength Standards
📚 Latest from Analytical Living
About Dr. Shirley Cheung
Dr. Shirley Cheung is an innovation leader, researcher, and corporate strategist. She earned her PhD from the University of Canberra, where she honed her background in rigorous, data‑driven analysis. With extensive real‑world experience managing multi‑million‑dollar portfolios and providing strategic corporate financial oversight, Dr. Cheung founded TheShirlShirl to build practical calculators and data‑driven guides. She applies her analytical framework to simplify complex financial concepts and fitness metrics for everyday users.
Connect on LinkedIn or view academic research through the University of Canberra Repository.
🧰 Tools I Use to Run My Daily Life
Financial, business, and everyday calculators I’ve built and use myself.
Make a Difference
Use my knowledge and skills to create a better space for everyone.