CalorieFig Guides

Body Composition5 min read

Beyond BMI: body fat percentages, lean mass, body types, and methods for measuring your composition.

BMI Accuracy and Limitations: What Your BMI

Understand the accuracy and limitations of BMI (Body Mass Index). Learn why BMI doesn't account for body composition, when it's useful, and what.

BMI vs Body Fat Percentage: Which Is Better for

Compare BMI and body fat percentage as health assessment tools. Learn why body composition is a better indicator of metabolic health and when each.

Body Composition Testing Methods: A Complete

Compare all major body composition testing methods from DEXA to home scales. Learn about accuracy, cost, accessibility, and best use cases for each.

Body Fat Calipers Comparison: Which Caliper Is

Compare the top body fat calipers on the market. Learn about different caliper types, features, accuracy, and price points to find the best tool for.

Body Fat Percentage Ranges by Age and Gender

Discover healthy body fat percentage ranges for different ages and genders. Learn how body fat changes throughout life and what percentage is optimal.

Body Recomposition Explained: Building Muscle

Discover body recomposition—the process of building muscle while simultaneously losing fat. Learn the science, requirements, and strategies for.

Macros & Nutrition

Macros & Nutrition3 min read

Protein, carbs, and fat — learn how to calculate, track, and optimize macronutrients for your goals.

Calories in Common Foods: A Practical Reference

Approximate calories for common fruits, vegetables, proteins, grains, and calorie-dense foods per typical serving, to help you plan meals and estimate intake.

Macro Calculation Step-by-Step: Your Complete

Learn how to calculate your ideal macros (protein, carbs, fat) for any goal. Follow our step-by-step process to determine the right macro split for.

Macro Counting for Beginners: Start Tracking

New to macro counting? Learn the fundamentals of tracking protein, carbs, and fat. Discover which apps to use, how to set your targets, and practical.

Nutrient Density Guide: Eat More Nutrients with

Learn about nutrient density and how to maximize nutrition per calorie. Discover the best nutrient-dense foods, how to build meals around them, and.

Protein for Fat Loss vs Muscle: How Much Do You

Discover the optimal protein intake for fat loss and muscle gain. Learn how protein supports body composition, the science behind protein timing, and.

How to Read a Nutrition Label for Calorie and

A step-by-step guide to serving sizes, calories, and macros on the nutrition label, and how to use them to stay in a deficit.

Metabolism

Understanding how your body burns calories: BMR, TDEE, metabolic rate, and the science of energy expenditure.

Adaptive Thermogenesis During Weight Loss: Why

Learn about adaptive thermogenesis—the metabolic slowdown that occurs during weight loss. Discover why your body resists weight loss and how to.

BMR Formula Comparison: Mifflin-St Jeor vs

Compare the most popular BMR formulas including Mifflin-St Jeor and Harris-Benedict. Learn which equation gives the most accurate resting metabolic.

Metabolism3 min read

BMR Normal Ranges by Age and Gender: What's

Find out what constitutes a healthy BMR range for your age and gender. Understand how factors like body composition and activity level influence.

Calorie Deficit Metabolic Adaptation: The

Understand how prolonged calorie deficits cause metabolic adaptation. Learn the mechanisms behind slowing metabolism during weight loss and.

How Metabolism Changes With Age: Your Calorie

Discover how metabolism naturally declines with age, what causes these changes, and how to adjust your calorie intake and activity to maintain a.

Metabolism Myths Debunked: What Science

Separate fact from fiction with a comprehensive look at common metabolism myths. Learn what science actually says about metabolism speed, age, diet.

Weight Loss

Evidence-based guides on sustainable fat loss, breaking plateaus, and realistic weight management strategies.

Weight Loss2 min read

The 3,500-Calorie Rule: What It Means and Where

Where the 3,500-calorie-per-pound rule comes from, how to use it for weekly planning, and why real weight loss is slower than simple subtraction suggests.

Weight Loss4 min read

Calorie Deficit Science Explained: The Key to

Understand the fundamental science behind calorie deficit—the only proven mechanism for fat loss. Learn how to calculate your deficit, set realistic.

Weight Loss2 min read

Calorie Deficit vs Exercise Burn: What's More

Compare the effectiveness of dietary calorie deficit versus exercise calorie burn for fat loss. Learn why diet is more efficient for creating deficits.

Weight Loss2 min read

Calorie Density: How to Eat More Food for Fewer

How calorie density works and how to fill your plate with low-density foods so you stay full on fewer calories during a deficit.