Know exactly what you will pay
Sale banners such as "Flat 40% off + extra 10%" or "Up to 70% off" can be confusing. Is 40% plus 10% the same as 50%? (It is not.) This discount calculator shows the final price and your total savings instantly, so you can compare offers across shops and websites during festive sales, end-of-season sales and online shopping events.
How to use the calculator
- Enter the original price (the MRP or marked price).
- Enter the discount percentage.
- If there is an additional offer, such as a bank card or coupon discount applied after the first one, enter it as the extra discount.
- To work backwards, enter a sale price and the discount percentage to find the original price.
The formulas
Sale price = Original price × (1 − discount ÷ 100)
With an extra discount: × (1 − extra ÷ 100)
Original price = Sale price ÷ (1 − discount ÷ 100)
Why 40% + 10% is not 50%
The second discount is applied to the already reduced price, not to the original price. On a ₹2,999 item:
- After 40% off: 2,999 × 0.60 = ₹1,799.40
- After an extra 10% off: 1,799.40 × 0.90 = ₹1,619.46
- Total saving = ₹1,379.54, which is an effective discount of 46%, not 50%.
The general rule: two discounts of a% and b% equal one discount of a + b − (a × b ÷ 100) percent.
Smart shopping tips
- Compare the final price, not the percentage. A 30% discount at one shop can be cheaper than 50% at another if the starting prices differ.
- Check whether the "original" price is genuine by looking at the price history or other sellers.
- Remember delivery charges, convenience fees and taxes that may be added at checkout.
- Bank offers often have a maximum discount cap, such as "10% up to ₹1,500".
Frequently asked questions
How do I calculate the discount percentage from two prices?
Use the percentage change section of our Percentage Calculator: from the original price to the sale price.
Is GST included in the price?
Retail prices in India (MRP) normally include GST. For prices before tax, use the GST and Sales Tax Calculator.
Can a discount be more than 100%?
No. The calculator limits discounts to between 0% and 100%.