Discount Calculator
Enter the original price and one or more percentage discounts to get the final price, your saving and the effective total discount when discounts are stacked.
Discounts
New Price
€159.99
Savings
€40.00
Total Discount
20.00 %
Note: These calculations are for informational purposes only and do not replace professional tax or financial advice. All information without guarantee.
FAQ
Frequently Asked Questions
How do I calculate a discount percentage?
Discount percentage equals (original price minus discounted price) divided by the original price, times 100. For example, a product reduced from 100 to 75 euros has a 25% discount.
What is the difference between a discount and a rebate?
A discount is an immediate price reduction at the time of purchase. A rebate is a retrospective refund, often based on reaching a purchase volume over a period (e.g., annual volume discounts).
Are my entered amounts stored anywhere?
No. All calculations happen exclusively in your browser. Your inputs are never sent to our server or stored. You can safely enter sensitive financial data.
Guide
What is the Discount Calculator?
The discount calculator computes the reduced price, discount amount or discount percentage from the known values.
How does the Discount Calculator work?
Enter the original price and discount percentage, or the original price and the final price. The calculator determines the missing value and shows the savings in euros and percent.
Key Data and Facts
Discount = original price * discount percent / 100. Double discounts are applied sequentially (e.g. 20% + 10% = 28% total, not 30%).
Step-by-Step Guide
How to calculate discounts step by step: 1. Enter the original price: The regular price without a discount. 2. Specify the discount percentage: e.g. 15 %, 20 % or 30 %. 3. Calculate the discount amount: Discount = original price x discount percentage / 100. 4. Determine the final price: Final price = original price - discount amount. 5. For double discounts: Calculate the discounts one after the other, do not add them up. The first discount on the original price, the second discount on the already reduced price. 6. Reverse calculation: If you know the final price, calculate the discount percentage: (original price - final price) / original price x 100. Example 1: Television, original price EUR 899, 25 % discount. Discount amount: 899 x 0.25 = EUR 224.75. Final price: 899 - 224.75 = EUR 674.25. Example 2: Double discount – first 20 %, then an additional 10 %. After 20 %: 899 x 0.80 = EUR 719.20. After a further 10 %: 719.20 x 0.90 = EUR 647.28. Total discount: (899 - 647.28) / 899 = 28 %, not 30 %.
Calculation Example
TV 899 EUR, 25 % discount. Savings: 224.75 EUR. Final price: 674.25 EUR. Double discount 20 % + 10 %: final price 647.28 EUR (effectively 28 %, not 30 %).
Sources
Official sources
Calculations are based on applicable German laws and official data:
- Deutsche Bundesbank
- Bundesanstalt für Finanzdienstleistungsaufsicht (BaFin)
- Statistisches Bundesamt (Destatis)
Full methodology at Methodology.
Reviewed by Konstantin Iakovlev · Last updated:
Finance
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