Health & Fitness Glossary (Singapore)
Plain-English definitions for every health and fitness term — BMI, BMR, TDEE, macros, ketosis, body fat percentage and more.
Health, Fitness & Nutrition Definitions
Navigating health and fitness terms can be confusing. To help you understand the science behind our calculators, we have compiled this plain-English glossary defining key metabolic, nutritional, and training terms.
Understanding concepts like BMR, TDEE, macronutrients, calorie deficits, and body composition helps you make informed choices. Use this guide as a quick reference during your fitness journey.
We regularly update our glossary definitions to match clinical health standards, ensuring you receive accurate, scientific explanations for all health parameters.
Medically reviewed by Dr. Rekha Kumar, M.D., M.S. — Lead Medical Reviewer · Last reviewed: September 2026 · Updated: 2026-09-15
Evidence & references
This tool is for informational purposes only and is not a substitute for professional medical advice.
Frequently asked questions
Is this calculator free to use?
Yes. Every calculator on Weight Loss Percentage is free, with no sign-up or account required.
How accurate is the result?
Results depend on the accuracy of what you enter and the published formulas the tool uses, which follow standard guidance from national health authorities. Track the trend over weeks rather than relying on a single reading.
How often should I check it?
Check whenever your weight, activity or goals change — for most people once a week is enough to see a reliable trend.
Who reviews the content on this site?
All medical and nutrition content is written and reviewed by Dr. Rekha Kumar, M.D., M.S., our lead medical reviewer, and cites guidance from U.S. federal health sources such as the CDC and NIH.