What Are Macros? How to Calculate Your Macronutrients
How to calculate macros: convert your calorie target into grams of protein, carbs, and fat using 4, 4, and 9 calories per gram, with a worked example.
Health & Fitness
Health & Fitness
How Many Calories to Lose a Pound (or Kg) a Week
How many calories to lose a pound a week? Aim for a 500-calorie daily deficit (1,100 for a kilogram), with a worked example and safe-rate guidance.
Health & Fitness
How to Calculate Your BMR (Mifflin-St Jeor Formula Explained)
Learn what BMR is, how the Mifflin-St Jeor formula works, and how to calculate your BMR step by step with worked examples for men and women.
Health & Fitness
How Many Calories Should You Eat a Day? A Practical Guide
Find out how many calories you need each day based on your age, sex, size, and activity level – with the formula, worked examples, and safe targets for every goal.
Health & Fitness
How Much Protein Per Day? Formula, Examples & Limits
Understand the 0.8 g/kg healthy-adult reference, work through protein calculations, and learn when activity or health needs call for individual advice.
Islamic Guides
How to Calculate Zakat: Cash, Nisab & a Worked Example
Learn a basic cash-and-savings Zakat calculation, check nisab and lunar-year assumptions, and see why assets and deductions need individual guidance.
Math & Education
How to Calculate Percentages: Increase, Decrease, and Difference
Master the three percentage formulas – percentage of a number, X as a percent of Y, and percentage change – with worked examples and mental-math shortcuts.
Math & Education
How to Calculate Your GPA (Weighted and Unweighted)
Learn how to calculate GPA step by step: the 4.0 scale, credit hours, weighted vs unweighted GPA, cumulative GPA, and percentage conversion tables.
Money & Finance
How Compound Interest Works: Formula, Examples, and the Rule of 72
Understand how compound interest works: the A = P(1 + r/n)^nt formula, worked examples, compounding frequency, APY, and the Rule of 72 doubling shortcut.
Money & Finance
How Is EMI Calculated? Formula, Worked Examples, and Amortization
See exactly how EMI is calculated: the formula, a full worked example, amortization tables, flat vs reducing-balance rates, and how to lower your instalment.