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Discount calculator
Sale price after a discount, with an optional second discount.
Quick answer
Enter the price and the discount. A ₹2,000 item with 25% off and then 10% off costs ₹1,350, a saving of ₹650.
Read the guide: How to calculate percentage: every common case
You pay
₹1,350.00
- You save
- ₹650.00
- Effective discount
- 32.50%
Two discounts do not add up: 25% then 10% is 32.5% off, not 35%.
How it works
Each discount applies to the price left after the one before it, which is why two discounts give less than their sum.
Leave the second box at 0 for a single discount.
Remember GST and delivery charges may be added after the discount.
The formula
- Price after one discount = price × (1 − d1 ÷ 100)
- With a second discount: × (1 − d2 ÷ 100)
- You save = original price − final price
A worked example
₹2,000 with 25% off is ₹1,500. A further 10% off takes ₹150 more, so you pay ₹1,350 and save ₹650, which is 32.5% off overall.
Common questions
How do I calculate the sale price?
Multiply the price by (1 minus the discount as a decimal). 30% off ₹500 is 500 × 0.70 = ₹350.
Is 20% off then 10% off the same as 30% off?
No. It is 28% off, because the 10% applies to the already-reduced price.
How do I find the original price from the sale price?
Divide the sale price by (1 minus the discount). A ₹350 price after 30% off was 350 ÷ 0.7 = ₹500.
Does the discount include tax?
It depends on the shop. Check whether the label price includes GST.