Discount Calculator (sale price & savings)
See what you actually pay in a sale and how much you save. Handles stacked offers like “30% + 10% extra” correctly.
Quick answer
30% off ₹2,499: you pay ₹1,749.3.
How it is calculated
- Discount amount = price × discount ÷ 100.
- You pay = price − discount: 2,499 × 0.70 = 1,749.30.
- An extra discount applies on the already-reduced price, not added to the first one.
Worked example
An item costs ₹2,499 with 30% off. You pay ₹1,749.3 and save ₹749.7.
| Price | ₹2,499 |
| Discount | 30 % |
| Extra discount | 0 % |
| You pay | ₹1,749.3 |
| You save | ₹749.7 |
| Effective discount | 30 % |
Formula
f = P×(1-D/100)×(1-D2/100) You pay = f You save = P-f Effective discount = (P-f)/P×100
Good to know
- 30% + 10% is not 40%; it works out to 37%.
- Online prices may add delivery charges; include them when comparing.
Questions people ask
How do I find the price after discount?
Price × (100 − discount) ÷ 100. For example 20% off ₹1,000 = ₹800.
What is 30% + 20% off in total?
1 − (0.70 × 0.80) = 44%, not 50%.
How do I find the discount percent?
(original price − sale price) ÷ original price × 100.
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Updated 13 Nov 2026 · Desktop N Calculator v1.2.0