Discount Calculator
Find a discounted price, savings, and an optional tax estimate applied after the discount.
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How to use Discount Calculator
Compare a sale offer using the original price and discount rate. An optional tax percentage is applied to the discounted subtotal, with savings and tax displayed separately.
- Enter the original price in your chosen currency.
- Enter a discount from 0% to 100% and an optional estimated tax rate.
- Read the savings, discounted subtotal, and final estimate.
Good to know
- The same currency is assumed for every amount. Taxes are applied after a single discount, without jurisdiction-specific rounding.
- Numbers use JavaScript floating-point arithmetic. Inputs are limited to 1,000 characters and a magnitude of 1 quadrillion. Results are rounded for display.
- These are arithmetic estimates, not financial or tax advice. No currency conversion, fees, or legally applicable tax rules are included.
Common questions
Are successive discounts added together?
No. Calculate one discount at a time. Two discounts of 20% and 10% produce a combined discount of 28%, not 30%.
Does this determine the tax I owe?
No. The tax field is a simple user-supplied estimate, not a determination of tax rules or liability.
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