General Percentage Calculators
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1. What is X% of Y?
2. X is what percent of Y?
3. Percentage Change (Increase / Decrease)
Why Use Our Calculators?
- Health & Fitness: Tracking body fat ratios or nutritional daily values on food labels.
- Business: Measuring profit margins and annual revenue growth.
By using iPercentageCalculator.com, you ensure that these vital calculations are error-free, helping you manage your money and time more effectively.
Our Financial Tools
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Use Tool →Loan Calculator
Mortgage, auto, or personal loan — compute monthly payments and total interest with down-payment support.
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Calculate the perfect tip and split the bill across any number of people instantly.
Use Tool →Discount Calculator
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Use Tool →Sales Tax Calculator
Add tax to a pre-tax price or extract tax from a tax-inclusive price, with US state rate reference.
Use Tool →GST Calculator
India GST calculator with all five slabs (5%, 12%, 18%, 28%) and CGST + SGST split.
Use Tool →Expert Math Guides
Learn how to apply these formulas in Excel, Google Sheets, and everyday retail scenarios.
Read Guides →Frequently Asked Questions (FAQ)
How do I calculate a percentage manually?
To find the percentage of a number, divide the "part" by the "whole" and multiply by 100. For example, if you want to know what percentage 25 is of 100, you calculate (25 / 100) * 100 = 25%.
What is the difference between percentage increase and decrease?
Percentage increase measures how much a value has grown (like a salary raise), while percentage decrease measures a decline (like a retail discount).