Health & Wellness Guides
Evidence-based articles to help you understand your health metrics and make informed decisions about your wellbeing.
BMI Calculator: Complete Guide to Body Mass Index
Learn how BMI is calculated, what the categories mean, and how to achieve a healthy weight with science-backed tips.
Read guide →Calorie & TDEE Calculator: How Many Calories Do You Need?
Understand BMR, TDEE, and how to use daily calorie targets for weight loss, maintenance, or muscle gain.
Read guide →Blood Pressure Guide: What Your Numbers Really Mean
Decode systolic and diastolic readings, learn AHA 2017 categories, and discover natural ways to keep your blood pressure healthy.
Read guide →Stress Index: Measuring and Managing Daily Stress
How stress affects your body, how to measure your stress level, and 10 proven strategies to manage it effectively.
Read guide →Ovulation Calculator: Understanding Your Fertile Window
A complete guide to the menstrual cycle, ovulation signs, fertile window, and tips for those trying to conceive.
Read guide →Blood Alcohol Content (BAC): A Guide to Safe Drinking
How BAC is calculated using the Widmark formula, legal limits by country, factors that raise your BAC, and safe drinking guidelines.
Read guide →About Our Health Guides
Every article on this blog is written using information from internationally recognized health authorities including the World Health Organization (WHO), the American Heart Association (AHA), and peer-reviewed medical literature. Our goal is to give you clear, jargon-free explanations so you can better understand the numbers our calculators produce.
All calculators on checkhealthscore.com process data entirely within your browser — nothing is ever sent to a server or stored.
Important: The information on this site is for general educational purposes only. Always consult a qualified healthcare professional before making medical decisions.