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Discount Calculator Guide
See exactly what a sale price will be and how much you save. Enter the original price and the percent off — and optionally sales tax — to get the discounted price, your savings, and the final total.
Savings = price × (discount% ÷ 100); sale price = price − savings. If tax applies, final = sale price × (1 + tax% ÷ 100).
How Do I Calculate a Discount?
Multiply the original price by the discount percent to get your savings, then subtract that from the price. A 25% discount on $80 saves $20, for a sale price of $60.
Common Discounts on $80
| % Off | Save | Pay |
|---|---|---|
| 10% | $8 | $72 |
| 25% | $20 | $60 |
| 50% | $40 | $40 |
Adding a tip afterward? See the Tip Calculator, and check the tax alone with the Sales Tax Calculator.
Frequently Asked Questions
How do I calculate a discount?
Multiply the price by the discount percentage divided by 100 to get the savings, then subtract it from the price.
What is 25% off $80?
You save $20, so the sale price is $60.
How do I calculate the final price after discount and tax?
Apply the discount first, then multiply the discounted price by one plus the tax rate.
How do I find the percentage discount?
Divide the savings by the original price and multiply by 100.
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