How Much Protein You Need Per Day
Put protein research ranges in context, calculate an example intake, and understand why study averages are not personal prescriptions.
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The formulas behind the calculators, written out in plain English. What each number means, which study it came from, and the situations where it gives the wrong answer.
How Big Should a Calorie Surplus Be?
Compare small calorie-surplus scenarios and understand why extra food cannot predict a specific amount of muscle gain.
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Why the Scale Jumps Two Kilos Overnight
Learn how water, food and measurement conditions affect scale weight, and when an unexplained change needs medical advice.
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How Much Water You Need Per Day
Understand total water from food and drinks, the assumptions in the water calculator, and why there is no universal bottle target.
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Why Ideal Weight Formulas Disagree With Each Other
Compare Devine, Robinson, Miller and Hamwi formulas, including their different outputs and why none defines a personal ideal weight.
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The Navy Body Fat Method: How to Measure It and How Wrong It Can Be
Measure for the traditional Navy circumference equations, understand their units, and avoid treating body-fat estimates as a diagnosis.
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Picking an Activity Multiplier Without Fooling Yourself
See how activity multipliers change TDEE, why step counts are only context, and how to avoid counting exercise twice.
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How Big Should a Calorie Deficit Be?
Compare calorie-deficit examples and learn why fixed calorie rules cannot promise a weekly weight-loss result.
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BMR vs TDEE: Which Number Should You Eat To?
Understand estimated resting energy, daily expenditure and calorie scenarios without treating BMR as a personal minimum intake.
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What BMI Measures, and Where It Falls Apart
Learn how adult BMI is calculated, where its categories come from, and why it cannot diagnose health or distinguish muscle from fat.
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