Shopping Guide
Discount Calculator Guide — How to Calculate Discounts & Savings
🏷️ Calculate Discount & Savings
Find final price, savings amount and discount % instantly.
Open Calculator →Discount Formulas
Discount Amount = Original Price × Discount% / 100
Final Price = Original Price − Discount Amount
Discount % = (Discount Amount ÷ Original Price) × 100
Original Price (before discount) = Final Price × 100 ÷ (100 − Discount%)
Real Shopping Examples
| Scenario | Calculation | Result |
|---|---|---|
| Rs.2,999 at 30% off | 2999 × 30/100 = 899.7 | Pay Rs.2,099 |
| Rs.599 marked down from Rs.999 | (400/999)×100 | 40% discount |
| After 25% off you pay Rs.750 | 750 × 100/75 | Original: Rs.1,000 |
Double Discount Calculation
When two discounts are applied sequentially (common in sale + coupon):
First: Rs.1000 − 20% = Rs.800
Then: Rs.800 − 10% = Rs.720
Net discount = 28% (NOT 30%!) — discounts don't simply add up
GST + Discount: Which Comes First?
In India, GST is applied on the post-discount price. So discount first, then add GST:
- MRP Rs.1,000 (incl. 18% GST) at 20% discount
- Discounted price = Rs.800
- Price excl. GST = Rs.800 / 1.18 = Rs.677.97
- GST = Rs.122.03
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