OpusDesk Hub What this tool does
Calculate a single percentage discount, discount amount or sale-price reduction. Percentage mode uses savings = original price × discount/100 and final price = original − savings. Sale-price mode uses (original − sale)/original × 100. Amount mode subtracts the entered discount amount. Money results round to two decimals.
How to use Discount Calculator
- Prepare the input. Choose the calculation mode.
- Run or configure the tool. Enter original price and the percentage, sale price or discount amount.
- Check and use the output. Review savings and final price, then account for taxes/fees separately.
How this tool works
Percentage mode uses savings = original price × discount/100 and final price = original − savings. Sale-price mode uses (original − sale)/original × 100. Amount mode subtracts the entered discount amount. Money results round to two decimals.
Worked example
Input: Original price 100; discount 20%
Output: Savings $20.00; final price $80.00.
Limits, assumptions and interpretation
Original price must be positive. Percentage mode accepts 0–100%; sale-price/discount-amount modes require the second amount to be below the original.
- Tax, shipping and stacked/compounded discounts are not included.
- The USD symbol is formatting, not currency conversion or an assertion of a merchant’s actual price.
Supported inputs and limits
- Original price 100; discount 20%
- Original price must be positive. Percentage mode accepts 0–100%; sale-price/discount-amount modes require the second amount to be below the original.
- Tax, shipping and stacked/compounded discounts are not included.
- The USD symbol is formatting, not currency conversion or an assertion of a merchant’s actual price.
Frequently asked questions
What does this tool actually do?
Percentage mode uses savings = original price × discount/100 and final price = original − savings. Sale-price mode uses (original − sale)/original × 100. Amount mode subtracts the entered discount amount. Money results round to two decimals.
What should I check before using the result?
Original price must be positive. Percentage mode accepts 0–100%; sale-price/discount-amount modes require the second amount to be below the original. Tax, shipping and stacked/compounded discounts are not included. The USD symbol is formatting, not currency conversion or an assertion of a merchant’s actual price.
Is information sent to a server?
Tool inputs are processed in this browser. This product does not use analytics or send your input to an external API. Clicking an external website link still visits that website.