Discount calculator
Find the sale price and how much you save, including stacked discounts.
How it works
Final price = price × (1 − d1/100) × (1 − d2/100). A 30% and a 20% discount together make 44%, not 50%.
Results are for guidance only and do not replace professional advice.
Worked example
With the default values:
- Original price79.99
- Discount (%)30
- Extra discount (%)0
you get:
- Final price€55.99
- You save€24.00
- Total discount30 %
Frequently asked questions
How does the “Discount calculator” tool work?
Final price = price × (1 − d1/100) × (1 − d2/100). A 30% and a 20% discount together make 44%, not 50%.
What do I need to enter?
Just fill in: original price, discount, extra discount. The result updates as you type.
Can you give an example?
Original price: 79.99; Discount (%): 30; Extra discount (%): 0 → Final price: €55.99; You save: €24.00.
Is this calculator free, and is my data private?
Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.