Online Percentage Calculator

From calculating a discount at your favorite store to figuring out a tip or understanding a statistical report, percentages are a part of our daily lives. Our free online Percentage Calculator is a versatile tool designed to handle all your percentage-based math with ease. It combines the three most common calculations into one simple interface, so you can get your answer quickly and accurately.

How to Use the Percentage Calculator

This tool is designed to be your all-in-one solution for percentage math:

1. Select Your Calculation: Choose the type of calculation you need from the dropdown menu (e.g., "What is __% of __?").
2. Enter Your Values: The input fields will change based on your selection. Simply enter your numbers into the corresponding boxes.
3. Get Your Answer: Click the "Calculate" button to get your result instantly.

Understanding the Different Calculations

1. What is X% of Y?

This is the most common percentage calculation. It's used to find a specific percentage of a whole number. For example, calculating a 15% tip on a ₹1000 bill.

Formula: (Percentage / 100) * Total Value

2. X is what % of Y?

This calculation is used to express one number as a percentage of another. For example, if you answered 40 questions correctly on a 50-question test, you would use this to find your score.

Formula: (Value / Total Value) * 100

3. Percentage Increase/Decrease

This is used to find the percentage change between two numbers. It's perfect for tracking growth, calculating a discount, or analyzing data trends.

Formula: ((Final Value - Initial Value) / Initial Value) * 100

Frequently Asked Questions (FAQ)

How do you calculate a percentage?

A percentage is a fraction of 100. To find a percentage of a number, you convert the percentage to a decimal (by dividing by 100) and multiply it by the number. Our calculator automates this and other common percentage formulas for you.

Is this calculator free to use?

Yes, 100%. Our Percentage Calculator is completely free and requires no sign-up or downloads. You can perform as many calculations as you need.

Is my data saved?

No. The entire tool runs in your web browser. The numbers you enter are never sent to our servers or stored anywhere. Your calculations are completely private and secure.