How to use this discount calculator
Enter the values requested above and select Calculate. Change any input to compare another scenario. The calculation runs locally in your browser and does not require an account.
Formula and method
Example
A $120 item at 25% off saves $30 and costs $90 before tax.
Tips for a useful result
When a store applies multiple sequential discounts, calculate each discount in order rather than simply adding the percentages.
What this calculator is useful for
Calculate a sale price, amount saved and optional final price after sales tax. The result is intended for quick estimates, checking arithmetic and comparing scenarios. When a result affects a contract, tax filing, medical decision, building-code requirement or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
Frequently asked questions
What does the Discount Calculator calculate?
Calculate a sale price, amount saved and optional final price after sales tax.
How does the Discount Calculator work?
Discount amount = original price × discount rate. Sale price = original price − discount amount.
Is the Discount Calculator free to use?
Yes. ERICH Calculators is free to use and does not require an account.