Discount Calculator
Sale price and money saved from any percentage off.
Reviewed by James Whitfield · How we check our maths
Your values
ⓘ Live results
Results
- Final price
- $90.99
- You save
- $39.00
- Effective discount
- 30%
- After first discount
- $90.99
Quick answer
A discount subtracts a percentage of the original price: sale price = price × (1 − discount).
The formula
Sale price = price × (1 − discount%)
Worked example
Worked example
Using the values the calculator loads with.
Inputs
- Original price129.99 $
- Discount30 %
- Extra discount at checkout0 %
Result
- Final price$90.99
- You save$39.00
- Effective discount30%
- After first discount$90.99
How to use the Discount Calculator
- 1Enter the original price.
- 2Enter the percentage off.
- 3Add a second stacked discount if there is one.
Frequently asked questions
Do stacked discounts add up?
No. 30% then 20% off is 44% total, not 50%, because the second discount applies to the already-reduced price.
How do I calculate percent off in my head?
Take 10% by moving the decimal one place, then multiply. 30% of $130 is 3 × $13 = $39.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error