Discount Calculator
Enter an original price and a discount percentage to instantly find the sale price, discount amount, and savings.
Calculated locally in your browser.
How to use
- Original price — enter the full price before the discount.
- Discount (%) — enter the discount percentage (0–100).
- Tax rate (optional) — add a sales tax or VAT rate to calculate the final price after tax.
- Results update instantly as you type — no button press required.
Examples
- 20% off $100: Discount = $20, Final price = $80
- 15% off $49.99: Discount = $7.50, Final price = $42.49
- 50% off $250 with 8.5% tax: After discount = $125, Tax = $10.63, Final = $135.63
Formula
- Discount amount = Original price × (Discount% / 100)
- Final price = Original price − Discount amount
- After tax = Final price × (1 + Tax% / 100)
FAQ
- Does it support a currency symbol? No — the calculator uses plain numbers so it works with any currency.
- What if the discount is 100%? The final price will be 0.
- Can I enter a decimal discount? Yes — for example, 12.5% is valid.
- Is my data sent anywhere? No — all calculations run locally in your browser.