Discount calculator
ClientQuick percent-off: enter the list price and the discount percentage to compare checkout totals.
Discount inputs
?
You save: $19.80
Sale price: $79.20
Common use cases
- Compute sale price from list price and percent off while shopping or auditing invoices.
- See amount saved to compare stacked promotions mentally.
- Check cart math when stores show rounded prices.
Common mistakes to avoid
Stacking percentages incorrectly
Ten percent then ten percent is not twenty percent off—apply sequential discounts in order.
Forgetting tax or shipping after discount
Final checkout totals may add fees after the discounted subtotal.
FAQ
Are discount calculations local?
Yes. All math stays in your browser.
Does this handle multiple currencies?
It operates on numbers you enter—pick one currency context and stay consistent.
More tools
Related utilities you can open in another tab—mostly client-side.
Sales tax calculator
ClientEnter price and a combined sales tax rate—see tax owed and total, client-side (US-style).
Tip calculator
ClientCheck subtotal, tip percent, optional sales tax on food, and split—common U.S. restaurant math.
Percentage calculator
ClientPercent of a value, ratio to percent, and percent change—no server round-trip.
Loan payment calculator
ClientPrincipal, APR, and term in months—estimated monthly payment and total interest.