Discount Calculator
Instantly find the final sale price and how much you save. Supports single or stacked (double) discounts plus optional tax, so you know exactly what you will pay at checkout.
Calculate Your Discount
Enter the original price and discount percentage. Add a second discount or tax rate for more detailed results.
How to Calculate a Discount
A discount is a reduction from the original price, expressed as a percentage. To find the amount saved, you multiply the original price by the discount percentage divided by 100. The final price is then the original price minus that saving. For example, a 25% discount on a ₹2,000 item saves you ₹500, bringing the price down to ₹1,500. This calculator performs the maths instantly and also reveals your total savings and the effective discount percentage.
The Discount Formula
The core formulas are simple:
- Amount Saved = Original Price × (Discount % ÷ 100)
- Sale Price = Original Price − Amount Saved
- Discount % = (Original − Sale) ÷ Original × 100
The last formula is handy when a store advertises only the before and after prices and you want to know the true percentage off.
Understanding Stacked (Double) Discounts
Retailers often advertise offers like "50% + 20% off", and many shoppers mistakenly add these together to get 70%. In reality, the second discount applies to the already-reduced price, not the original. On a ₹1,000 item, 50% off gives ₹500, and 20% off that ₹500 gives ₹400 — an effective discount of 60%, not 70%. Stacked discounts always result in a higher final price than the sum of the percentages, which is why this calculator handles both discounts in the correct order.
Worked Example with Tax
Suppose a gadget is priced at ₹15,000 with a 30% discount and 18% GST. The discount of ₹4,500 brings the price to ₹10,500. GST of 18% on ₹10,500 adds ₹1,890, for a final checkout amount of ₹12,390. You still saved ₹4,500 off the list price, but the tax means your actual outlay is higher than the discounted figure alone — exactly the number this calculator surfaces.
Smart Shopping Tips
- Compare final prices, not percentages: A bigger discount on an inflated price can cost more than a smaller discount elsewhere.
- Watch for fake "original" prices: Some sellers raise the list price before a sale to exaggerate the discount.
- Factor in tax and shipping: The headline discount rarely reflects what you actually pay at checkout.
- Stacked codes: Always check whether coupons stack and in what order they apply.
- Know your budget: A discount only saves money on something you genuinely need.
Common Uses
This calculator is ideal for sale shopping, clearance events, festive offers, computing markdowns for a small business, working out coupon savings, and teaching percentage maths. Because the underlying calculation is currency-independent, it works equally well whether you are shopping in rupees, dollars or any other currency.
Note: Results are for general guidance. Always confirm the final price, applicable taxes and any minimum-purchase conditions directly with the seller before completing your purchase.
Frequently Asked Questions — Discount Calculator
To calculate a discount, multiply the original price by the discount percentage divided by 100, then subtract that amount from the original price. For example, a 25% discount on ₹2,000 is 2000 × 25 / 100 = ₹500 off, giving a final price of ₹1,500. This calculator does it instantly and also shows your total savings.
A double discount applies the second discount to the already-reduced price, not the original. For example, "50% + 20% off" on ₹1,000 first becomes ₹500 (after 50%), then 20% off ₹500 gives ₹400. This is NOT the same as a 70% discount (which would be ₹300). Stacked discounts always yield a higher final price than simply adding the percentages.
Subtract the sale price from the original price, divide by the original price, then multiply by 100. For example, if an item dropped from ₹2,500 to ₹1,875, the discount is (2500 − 1875) / 2500 × 100 = 25%. This tells you the true percentage off when only the before and after prices are advertised.
Yes, optionally. If you enter a tax rate (such as GST), the calculator applies it to the discounted price to show the final amount you actually pay at checkout. Leave the tax field blank or zero to see just the discounted price without any tax added.
Not necessarily — it depends on the original price. A 30% discount on an overpriced item may still cost more than a 10% discount on a fairly priced one. Always compare the final price across sellers rather than just the headline discount percentage, and watch for inflated "original" prices used to make discounts look larger.
Yes. The discount maths is identical regardless of currency — the percentages and savings work the same whether you are calculating in rupees, dollars, euros or any other currency. Simply enter the original price in whatever currency you are shopping in.