How to Calculate Your Exact Age in Years, Months and Days
A step by step method to work out age in years, months and days, why dividing days by 365 is slightly off, and how leap years fit in.
How to Count Words and Estimate Reading Time (With Examples)
How words and characters are counted, why tools differ slightly, and how to estimate reading and speaking time for any text.
Compound Interest vs Simple Interest: What’s the Difference?
Learn how simple and compound interest differ, with formulas, a 30 year comparison, the Rule of 72 and common mistakes to avoid.
How a SIP Works: The Maths Behind Monthly Investing
See how the value of a monthly SIP is estimated, with a worked example, a growth chart and the limits of any SIP calculator.
How Your Loan EMI Is Calculated: Formula, Example and Ways to Reduce It
Understand the EMI formula, see a full worked example for a ₹10 lakh loan, and learn what really changes your monthly instalment.
How to Calculate BMI (and What the Number Doesn’t Tell You)
Learn the BMI formula in metric and imperial units, see a worked example, and understand what BMI can and cannot say about your health.
How to Calculate Percentages: 3 Simple Methods With Everyday Examples
Learn the three main percentage calculations, discounts, GST and percentage change, with worked examples and the mistakes people often make.