EVERYDAY MATH · FREE INTERACTIVE CALCULATOR
Discount Calculator
Estimate sale price, savings and optional tax after a discount. Change the inputs below to calculate a result immediately. No account required.
Savings before tax
$30.00Discounted price
$120.00Total after tax
$129.60How to calculate the answer
Price after discount = original × (1 − discount/100); then add tax.
Worked example
A 20% discount on $150 saves $30 before sales tax.
For the example inputs shown above, the calculated results are:
| Savings before tax | $30.00 |
|---|---|
| Discounted price | $120.00 |
| Total after tax | $129.60 |
How to interpret this result
Assumes tax applies after discount; local tax treatment can vary.
These figures illustrate the displayed method using the default inputs. Change the inputs to explore another case, and check units and conventions relevant to the problem.