Percentage calculations come up every day — exam results, shopping discounts, salary hikes, tax calculations, loan interest. Instead of manual formula calculation, use our percentage calculator to get instant accurate results.
How to Calculate Percentage of Marks (CBSE, NEET, JEE)
Percentage of Marks = (Marks Obtained ÷ Total Marks) × 100. Example: You scored 450 out of 500. Percentage = (450 ÷ 500) × 100 = 90%. For CBSE Class 12 with 5 subjects: Add all 5 subject marks, divide by total marks (usually 500), multiply by 100.
How to Calculate Discount Percentage
Discount Percentage = ((Original Price – Sale Price) ÷ Original Price) × 100. Example: A shirt costs ₹2,000 and is on sale for ₹1,400. Discount = ((₹2,000 – ₹1,400) ÷ ₹2,000) × 100 = 30%. Sale Price from Discount: Sale Price = Original Price × (1 – Discount% ÷ 100). Example: 25% off ₹1,000 = ₹1,000 × 0.75 = ₹750.
How to Calculate Salary Hike Percentage
Hike Percentage = ((New Salary – Old Salary) ÷ Old Salary) × 100. Example: Your salary goes from ₹45,000 to ₹54,000. Hike = ((₹54,000 – ₹45,000) ÷ ₹45,000) × 100 = 20% hike. New Salary from Hike%: New Salary = Old Salary × (1 + Hike% ÷ 100). Example: 15% hike on ₹60,000 = ₹60,000 × 1.15 = ₹69,000.
Percentage Increase vs Percentage Decrease
Percentage Change = ((New Value – Old Value) ÷ Old Value) × 100. A positive result = increase. A negative result = decrease. Example: Petrol price goes from ₹95 to ₹102. Change = ((₹102 – ₹95) ÷ ₹95) × 100 = 7.37% increase.
Frequently Asked Questions
What is a good percentage in Class 12 for engineering admission?
For IITs via JEE Advanced: 75% in Class 12 (65% for SC/ST) is the minimum eligibility. For NITs via JEE Main: 75% in Class 12 or top 20 percentile in your board. Private colleges generally require 60–70%.
How do I convert CGPA to percentage?
For most Indian universities: Percentage = CGPA × 9.5. For CBSE: Percentage ≈ CGPA × 9.5 (this is CBSE's official formula). Example: CGPA 8.5 = 8.5 × 9.5 = 80.75%.
What is a good salary hike percentage in India?
Average annual salary hike in India is 8–10%. A hike of 15–20% is considered good. During job changes, 30–50% hike is common in the tech industry.
How do I calculate percentage of marks with different subject totals?
Add all marks obtained, add all maximum marks, then calculate: (Total Marks Obtained ÷ Total Maximum Marks) × 100.
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