Discount Calculator
Enter the original price and the percentage off to get the final price and the exact amount saved — including stacked discounts applied one after another.
How to use the Discount Calculator
- Enter the original price.
- Enter the discount percentage.
- Add a second discount if the offer stacks, then read the final price and total saved.
About the Discount Calculator
Stacked offers are the trap: 20% off followed by a further 10% off is not 30% off, it is 28%. This calculator applies each discount in sequence the way a till does, so the final price matches what you will actually be charged. Useful for comparing a flat discount against a multi-step promotion before deciding which offer is genuinely better.
Please note: this is an educational estimator. It does not account for processing fees, insurance bundling, prepayment penalties, floating-rate resets or local tax rules, so the figure on a real agreement will differ. Use it to compare options, then confirm with your lender or a licensed financial adviser. Full disclaimer.
Frequently asked questions
How do I calculate a percentage discount?
Multiply the price by the discount percentage divided by 100, then subtract that from the price.
Is 20% off plus 10% off the same as 30% off?
No. The second discount applies to the already-reduced price, giving 28% off in total, not 30%.
Can I work out the original price from the sale price?
Yes — divide the sale price by (1 − discount/100).
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Runs entirely in your browser — nothing you enter is uploaded. Last reviewed and updated .