Free Percentage Calculator
Calculate marks percentage, CGPA to percentage, discount percentage, GST and more. Free, no login required.
Select Calculation Type
Types of Percentage Calculations
Marks Percentage
450/600 = 75%
Calculate your board exam, semester or test percentage.
Discount Calculator
₹1000 → ₹800 = 20% off
Find actual discount % on any product.
GST Calculator
18% of ₹1000 = ₹180
Calculate GST amount on any price.
Salary Hike
₹30k → ₹36k = 20% hike
Calculate your salary increment percentage.
How to Calculate Marks Percentage
Select "What % is X of Y", enter your total marks obtained as X and maximum marks as Y. For example, if you scored 450 out of 600, enter 450 as X and 600 as Y — your percentage is 75%.
Works for Class 10, Class 12 board results, college semester marks, competitive exam scores and any academic result calculation.
CGPA to Percentage Calculator
To convert CGPA to percentage as per CBSE formula: multiply CGPA × 9.5. For example, CGPA 8.0 = 76%, CGPA 8.5 = 80.75%, CGPA 9.0 = 85.5%.
Use our calculator: Select "% of Number", enter 9.5 as percentage and your CGPA as number to get the equivalent percentage.
Common Percentage Calculations in India
- GST calculation: 5%, 12%, 18% or 28% GST on any amount
- Marks percentage: Board, semester or competitive exam results
- Salary hike: Calculate increment percentage
- Shopping discount: Verify actual discount on Flipkart/Amazon
- Bank interest: Simple interest percentage calculation
- EMI percentage: What % of income goes to EMI
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Frequently Asked Questions
How to calculate marks percentage?
Select "What % is X of Y", enter marks obtained as X and total marks as Y. Example: 450/600 = 75%.
How to calculate CGPA to percentage?
Multiply CGPA × 9.5 (CBSE formula). Example: CGPA 8.5 × 9.5 = 80.75%.
How to calculate discount percentage?
Select % Change, enter original price as From and sale price as To. Discount % calculated instantly.
How to calculate GST?
Select "% of Number", enter GST rate as % and price as number. Example: 18% of ₹1000 = ₹180.
Is this percentage calculator free?
Yes, completely free. No login, no account needed.