How to use calculators for EMIs, GST and percentages.
Learn how to calculate percentage the easy way — the core formulas for "X% of Y", "X is what % of Y" and percentage change, with worked examples.
AZ Utils Editorial · · 8 min read
The percentage increase formula explained, with examples — measure price rises, salary hikes and growth, and learn why you divide by the original value.
AZ Utils Editorial · · 7 min read
The percentage decrease formula with examples — measure price drops, falling sales and reductions, and why a decrease and increase never cancel out.
AZ Utils Editorial · · 7 min read
How to calculate exam percentage from marks — single subject, overall aggregate and weighted — with clear worked examples for students and parents.
AZ Utils Editorial · · 7 min read
How to calculate discount percentages — final price, the saving, the original price, and the stacked-discount trap that catches everyone out.
AZ Utils Editorial · · 7 min read
The profit percentage formula made clear — markup vs margin, how to calculate each, and how to set a selling price for a target margin.
AZ Utils Editorial · · 8 min read
Learn how to add and remove GST with the exact formulas, CGST/SGST/IGST split and worked examples — or do it instantly with our free GST calculator.
AZ Utils Editorial · · 10 min read
How age is really calculated — leap years, month lengths and completed periods — with a worked example and a free tool that gives your exact age instantly.
AZ Utils Editorial · · 8 min read
Master the handful of percentage formulas that cover discounts, scores, tips and percentage change — with examples and a free percentage calculator.
AZ Utils Editorial · · 9 min read
