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Discount Calculator

Check a sale offer before you buy, or set a promotion price before you sell. Enter the original price and the discount to see the final price and how much is saved.

Formula / method: Savings = Original price x Discount percentage / 100. Sale price = Original price - Savings.

Enter your figures and click Calculate.

How to Use

  1. Enter the original price.
  2. Enter the discount percentage.
  3. Click Calculate Discount.
  4. Check the sale price and the amount saved.
  5. Copy the result for a price tag or shopping list.

Why This Matters

Discounts look simple but are easy to misjudge, especially when two offers are compared. A 30 percent discount on $80 saves $24, leaving $56, while 20 percent off $100 saves $20, leaving $80. The larger percentage is not always the better deal if the starting prices differ. Sellers also need to check that a discount still leaves a profit after costs. Calculating before a sale avoids an offer that looks generous but loses money, and helps shoppers spot when a so-called sale price was raised first.

Frequently Asked Questions

How do I calculate a discount in my head?

Find 10 percent by moving the decimal point one place, then multiply. For 30 percent, take 10 percent three times.

What is the difference between percent off and dollars off?

Percent off depends on the starting price, while dollars off is fixed. A $20 discount beats 20 percent off a $50 item, but not 20 percent off a $200 item.

Can discounts be stacked?

Sometimes. Two discounts of 20 percent do not equal 40 percent off: the second discount applies to the already reduced price, giving 36 percent off in total.

Does tax apply before or after the discount?

In most US states, sales tax applies to the discounted price actually paid, not the original price.

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