How the math works
Discount % = (original − sale) / original × 100.
Example
- Enter the original or regular price.
- Enter the sale price.
- Read the discount percentage and dollars saved.
Catch the catches
- If the “original” looks inflated, the discount % is marketing, not value.
Questions
Are these calculators free?
Yes. They run in your browser. You do not need an account, and we do not require personal financial data to use them.
Should I treat the result as a bank or store quote?
No. Results are educational math. Merchants, lenders, and tax rules can differ. Verify the live terms before you pay.