Percentage Calculator
Calculate marks percentage, aggregate across subjects, and convert to grades instantly.
Basic Percentage Calculator
Your Percentage
0.00%
Grade: F (Fail)
What is Percentage Calculator?
Percentages rule the world. Discounts, taxes, interest rates, exam scores, battery life—everything is a percentage. The **Percentage Calculator** is your Swiss Army Knife for everyday math. Whether checking a sale price or analyzing stock growth, get the right number instantly.
How to Use Percentage Calculator
Choose Calculator
Select "Percentage of", "Percentage Change", or "What % is X of Y".
Input Numbers
Enter the values (e.g., Original Price: 50, Discount: 20%).
Get Answer
Instantly format the result.
Copy Result
One-click copy for use in documents or messages.
Three core modes: 1. **% of Value**: What is 18% GST on 5000? 2. **% Change**: Sales grew from 200 to 250. What is the growth %? 3. **Values as %**: 45 is what percent of 150?
Why Use This Tool?
**Financial Literacy**: Understand exactly how much "15% interest" costs you. **Smart Shopping**: Quickly verify if a "Buy 2 Get 1 Free" deal is better than "30% Off". **Error Free**: Avoid common decimal point mistakes.
Who Is This For?
**Tipping**: Calculating 15% or 20% tip at a restaurant. **Salary Negotiation**: Calculating what a 30% hike looks like on your CTC.
Behind the Technology
Standard mathematical operations wrapped in an intuitive UI.
Tips for Best Results
To find 10%, just move the decimal point one step left (450 -> 45).
A 50% increase followed by a 50% decrease does NOT return to the original number!
Use calculating 'Reverse GST' to find the base price of a product.