Free Percentage Calculator — All Types of % Calculations

Our free percentage calculator handles all types of percentage calculations instantly. Whether you need to find what percentage of a number, calculate percentage increase or decrease, work out discounts during shopping or calculate marks percentage — our tool does it all in one place with zero signup required.

Percentage calculations are used every day in India and worldwide — from calculating GST on bills, to finding discounts during sales, to calculating exam marks and business profit margins.

Percentage Formula

The basic percentage formula is: Percentage = (Part / Whole) × 100. To find X% of a number Y: Result = (X/100) × Y. For example 18% of ₹1000 = (18/100) × 1000 = ₹180 — this is how GST is calculated.

Common Uses in India

• Calculating GST on bills and invoices
• Finding discount amounts during Amazon and Flipkart sales
• Calculating exam marks percentage and CGPA
• Finding salary hike percentage during appraisals
• Calculating profit and loss in business
• Finding interest as percentage of loan amount

Frequently Asked Questions