Discount Calculator
Calculate the sale price and amount saved from an original price and percentage discount.
How it works
Savings = original price × discount ÷ 100. Sale price = original price − savings.
Formula / calculation method
savings = original price × (discount % ÷ 100)sale price = original price − savings
Worked examples
- 20% off 100 saves 20 and gives a sale price of 80.
- 25% off 200 saves 50 and gives a sale price of 150.
When this tool helps
Useful for retail sales, promotional pricing, budgeting, price comparisons, checking advertised markdowns, and evaluating purchase offers.
Related calculations: tip calculator, markup calculator, and margin calculator.
Browse this topic: Percentage, Ratio & Finance Calculators · Percentage & Finance Formula Guide.
Quick reference
| Input | Result |
|---|---|
| 10% off 100 | 90 |
| 20% off 100 | 80 |
| 25% off 200 | 150 |
Accuracy and definitions
The calculator applies the entered percentage directly to the entered original price. Currency symbols are intentionally omitted because the arithmetic is currency-agnostic.
Methodology & verification
- Method
- Savings = original price × discount ÷ 100. Sale price = original price − savings.
- Verification
- The displayed formula is cross-checked against Solveberry regression cases before release. Calculator inputs and results stay in the browser.
- Last reviewed
- 2026-08-19
Results are calculated locally in your browser. Optional analytics do not include calculator input values or results.
Common questions
Can the calculator work with any currency?
Yes. Enter the numeric price in your currency; the percentage arithmetic is the same.
Can a discount be over 100%?
The calculator accepts non-negative percentages, but discounts above 100% can produce a negative sale price and are rarely meaningful in normal retail use. Verify unusual promotions separately.
Can I use decimal values?
Yes. The calculator accepts decimal values where they are mathematically valid for the selected calculation.
How should I verify an important result?
Use the displayed formula to reproduce the calculation independently, especially before making financial, legal, engineering or other consequential decisions.