CalculatorMasters

Discount Calculator

Calculate the sale price, amount saved, and effective discount from an original price and discount details.

Your Details

Discount type

Choose whether the discount is a percentage or a fixed amount.

Overview

Use this Discount Calculator to find the sale price, total savings, and effective discount based on an original price and either a percentage or fixed discount amount. You can also include a sales tax rate to estimate the final price after tax.

How it works

The calculator starts with the original price and subtracts either a percentage discount or a fixed discount amount. It then shows the amount saved and the sale price before tax. If you enter a sales tax rate, it calculates tax on the discounted price and adds it to estimate the final total.

How to use this calculator

  1. 1Enter the original price of the item.
  2. 2Choose whether the discount is a percentage or a fixed amount.
  3. 3Enter the discount value shown by the seller.
  4. 4Add a sales tax rate if you want an after-tax estimate.
  5. 5Review the sale price, savings, and final price.

Example Calculation

Original price

$100

Discount type

percent

Discount percentage

20%

Sales tax rate

8%

Sale price

$80.00

A $100 item with a 20% discount gives a $20 saving and a sale price of $80 before tax. With 8% sales tax, the final estimated price is $86.40.

Frequently asked questions

What does this discount calculator estimate?

It estimates the amount saved, the sale price before tax, the effective discount percentage, and the final price after tax if a tax rate is entered.

Can I calculate both percentage and fixed discounts?

Yes. You can choose either a percentage discount or a fixed amount discount.

Does the calculator include sales tax?

It can. Enter a sales tax rate to estimate the final price after the discount and tax are applied.

What if the discount is larger than the original price?

The calculator caps the discount at the original price so the sale price does not go below zero.

Is tax calculated before or after the discount?

This calculator assumes tax is calculated on the discounted price, which is common in many places.

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Assumptions and warnings

Assumptions

  • The discount is applied once to the original price.
  • Sales tax, if entered, is calculated after the discount is applied.
  • A fixed discount cannot reduce the price below zero.
  • Results are simple estimates and do not include shipping, fees, or special store policies.