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Free Discount Calculator

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Enter the price and discount to calculate savings

How a Discount Calculator Helps

A discount calculator turns "percent off" signs and coupon fine print into the actual price you'll pay. Enter the original price and the deal, and this sale price calculator shows both the discount amount and the final total — with tax included or excluded, your choice.

The Formulas Behind Common Deals

A percentage discount lowers the marked price by the advertised percent:

Final Price=Original×(1−discount%100)\text{Final Price} = \text{Original} \times \left(1 - \dfrac{\text{discount\%}}{100}\right)

A fixed-amount coupon subtracts directly:

Final Price=Original−coupon amount\text{Final Price} = \text{Original} - \text{coupon amount}

For "buy 2 get 1 free" (two-for-one), the effective saving is one third off the bundle; "3 for 2" applies the same one-third-off logic to every set of three.

Choosing a Discount Type

  • Percent off — the classic sale (for example, 30% off).
  • Fixed amount — a coupon worth a set value (for example, $10 off).
  • Two-for-one / three-for-two — bundled deals where one item is effectively free.

Tax and Real Savings

When tax applies, decide whether the discount comes off the pre-tax price or after tax. Most stores apply the coupon first and then add tax; this savings calculator handles both so the figure matches the register.

FAQ

1. How do I calculate a percent-off discount?

Multiply the original price by (1 − discount% ÷ 100). For a $50 item at 30% off: 50 × 0.70 = $35 final price, a $15 saving.

2. How do I find the discount percentage?

Divide the amount saved by the original price and multiply by 100. If you paid $40 for a $50 item, the discount is (10 ÷ 50) × 100 = 20%.

3. Should the coupon apply before or after tax?

Almost always before tax — the discount reduces the pre-tax price, then sales tax is added to the discounted amount. This calculator lets you toggle that behavior.

4. How does a 'buy 2 get 1 free' deal compare to a percentage?

Getting one free for every two paid is equivalent to a 33.3% discount on the bundle, so it roughly matches a one-third-off sale.

How to Use

  1. Enter the original price of the product or service.
  2. Choose the discount type: percentage off, fixed amount, or multi-item deal.
  3. Click calculate to see your final price and total savings instantly.