Discount Calculator
Calculate the sale price, amount saved and effective discount from an original price and percentage off.
Open calculator →Fast • private • easy to understand
Make sense of every discount
Calculate sale prices, reverse discounts, taxes, margins and unit costs with transparent formulas—right in your browser.
No sign-up. Your entries stay in your browser and are not sent to us.
Quick discount
Practical tools
Calculators for real buying decisions
Each tool explains its method so you can check the result rather than trust a mystery number.
Reverse Discount Calculator
Find the original price before a known discount when you know the sale price and discount percentage.
Open calculator →Successive Discount Calculator
Calculate the final price and combined effective saving when two discounts are applied one after another.
Open calculator →Discount and Tax Calculator
Calculate a discounted price, tax amount and final checkout total in the correct order.
Open calculator →Profit Margin Calculator
Calculate profit, gross margin percentage and markup percentage from cost and selling price.
Open calculator →Unit Price Calculator
Compare two package deals by price per item, gram, kilogram, millilitre or other common unit.
Open calculator →Know the numbers
A discount is only one part of value
A large percentage badge can look compelling, but the final price, unit cost, taxes and product usefulness determine whether a deal is worthwhile. Our calculators separate those questions and show intermediate values.
Read the smart discount guide →Our calculation principles
- Formulas are visible beside every calculator.
- Inputs are checked before a result appears.
- Money is rounded for display but calculated at full precision.
- We explain assumptions and practical limitations.