# Percentage Discount Calculator

URL: https://speedycalculator.com/calculators/finance/percentage-discount/
Last updated: 2026-10-25

> The percentage discount calculator works out the discount percentage from the original and sale prices – or the sale price from a percentage – and the amount saved.

## Inputs

- Original price
- Sale price

## Results

- Discount percentage
- You save

## Formula

```
Discount % = (original − sale price) ÷ original × 100
Sale price = original × (1 − discount %)
Saving = original − sale price
```

## Explanation

Shops show discounts as percentages because they sound bigger on expensive items; comparing the amount saved helps decide whether a deal is worth it.

### How to use the Percentage Discount Calculator

- **Original price**
- **Sale price**
- Every result field is editable: type into **Discount percentage** and **Sale price** plus every other field update to match.

Results update as you type, and every field accepts the units shown in its menu.

### How it works

Enter the original price and the sale price – or type a percentage into the result.

### Tips

- Know the difference between margin (profit ÷ price) and markup (profit ÷ cost).
- Apply successive discounts one after another – they do not simply add up.
- Check whether prices already include sales tax or VAT.
- Round prices only at the very end of the calculation.

### Common mistakes to avoid

- Adding discount percentages together.
- Pricing from a target margin using the markup formula.
- Forgetting payment-processing and shipping fees.

### Inputs explained

FieldWhat to enterOriginal priceAmount in your currencySale priceAmount in your currency

### What each result means

- **Discount percentage** = (1 - [Sale price]÷[Original price])×100
- **You save** = [Original price] - [Sale price]

### Example values

How the main result changes when **Sale price** changes and everything else stays at the example values above:

Sale priceDiscount percentage (%)3062.54543.756025756.2590-12.5120-50

## Worked example

Inputs — Original price: $80; Sale price: $60.

Results — **Discount percentage = 25 %**; You save = $20.00.

## FAQ

**How do I calculate a discount percentage?**
(Original − sale price) ÷ original × 100.

**What is 25% off $80?**
$60, a saving of $20.

**Is a percentage discount better than a dollar discount?**
Compare the actual amounts saved.

**What formula does the Percentage Discount Calculator use?**
Discount % = (original − sale price) ÷ original × 100.