How do I calculate a discount?
Multiply the price by the discount percent and divide by 100. Subtract that from the price. Example: 20% off ₹500 = ₹100 off, final ₹400.
Free tool
Discount calculator
See the final price and your saving after any percent off.
You save
₹100
Final price
₹400
Make GST bills automatically
Khatadar does this math on every bill, prints GST invoices, tracks udhaar and stock. Free plan: 50 bills a month, no card needed.
Common questions
What is 10% off 1,000?
You save 100 and pay 900.
Is discount given before or after GST?
In India a discount shown on the bill is usually taken off before GST is added, so GST is charged on the lower price.