Health & Fitness Guides

Track body metrics, plan nutrition, and optimize your fitness journey.

Advanced BMI: Why It's Not Enough and What to Use Instead

10 min read

Understand the limitations of BMI as a health metric and discover better alternatives like body fat percentage, waist-to-hip ratio, and body composition analysis.

How to Use Our BMI Calculator

3 min read

Learn how to use Calcimator's BMI calculator to find your Body Mass Index, understand what the categories mean, and when to look beyond BMI.

How to Use Our Body Fat Percentage Calculator

3 min read

Learn how to use Calcimator's body fat percentage calculator with simple body measurements to estimate your body composition.

How to Use Our Ideal Weight Calculator

3 min read

Learn how to use Calcimator's ideal weight calculator to find a healthy target weight based on your height, frame size, and gender.

How to Use Our Macro Calculator

3 min read

Learn how to use Calcimator's macro calculator to find your ideal protein, carbohydrate, and fat targets based on your goals and activity level.

How to Use Our TDEE and Calorie Calculator

3 min read

Learn how to use Calcimator's TDEE calculator to find your daily calorie needs for weight loss, maintenance, or muscle gain.

How to Use Our Water Intake Calculator

2 min read

Learn how to use Calcimator's water intake calculator to find your recommended daily water consumption based on your weight, activity level, and climate.

The Science of Weight Loss: Calories, Macros, and Metabolism

11 min read

Understand the science behind sustainable weight loss, including energy balance, macronutrient ratios, metabolic adaptation, and evidence-based strategies that actually work.

Understanding TDEE: How Your Body Burns Calories

7 min read

Learn what Total Daily Energy Expenditure (TDEE) means, how it's calculated, and why it matters for weight management and fitness goals.