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Posted By: Jordan Hayes
To set macros, start with your TDEE, apply a calorie target (deficit for fat loss, surplus for muscle), then split into protein, fat, and carbs (remainder).
Posted By: Jordan Hayes
Macros — protein, carbohydrates, and fat — determine not just how many calories you eat, but what your body does with them. Here's how to calculate your ideal macro split based on your goal, body weight, and activity level.
Posted By: Jordan Hayes
The "8 glasses a day" rule has no scientific basis. Your real water needs depend on your weight, activity level, climate, and diet. Here is how to calculate yours accurately.
Posted By: Jordan Hayes
A calorie deficit drives fat loss — but the size of the deficit matters as much as the deficit itself. Too large and you lose muscle, slow your metabolism, and regain the weight. Here is the science of doing it right.
Posted By: Jordan Hayes
Your TDEE — Total Daily Energy Expenditure — is the single most important number for any fitness or weight goal. Here is how to calculate it accurately and what to do with the result.
Posted By: Jordan Hayes
BMI is the most widely used health screening metric in the world — and the most misunderstood. This guide covers the exact formula, what the ranges mean, 7 major limitations, how BMI compares to body fat %, and what the latest 2026 research says.
Posted By: Jordan Hayes
Your BMR accounts for 60–75% of the calories you burn daily — even while sleeping. This guide explains what BMR is, the three formulas used to calculate it, what actually affects your metabolism, and how to use BMR for weight loss, muscle gain, or maintenance — with real examples and research.
Posted By: Jordan Hayes
We tested 6 free calorie/TDEE calculators — MyFitnessPal, Calculator.net, NIDDK, Mayo Clinic, Healthline, and CalculatorApp.me — for formula accuracy, macro breakdowns, and ad experience.
Posted By: Jordan Hayes
The RDA says 0.36g/lb, but research shows 0.7–1.0g/lb is optimal for muscle and satiety. Get personalized protein targets for weight loss, muscle building, and general health.
Posted By: Jordan Hayes
TDEE is the total number of calories your body burns daily. Learn the formula (BMR × Activity Multiplier), understand the 4 components of energy expenditure, and calculate your exact calorie needs.