Percent Off Calculator

Calculate a discount and the price after tax.

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What is this calculator?

Calculate a discount and the price after tax.

What can you use it for?

Use this tool to compare a financial scenario using the assumptions you control. Calculate a discount and the price after tax.

How to use it

  1. Enter original price.
  2. Enter discount (%).
  3. Enter sales tax (%).
  4. Select Calculate (or Generate for random tools).
  5. Read the answer and any additional results below the form. Check the units and the limits of the method.

Formula and method

Saving = price × discount ÷ 100
Final price = (price − saving) × (1 + tax ÷ 100)

The discount is applied first. Tax is then applied to the discounted price.

Worked example

Original price: 5000, Discount (%): 20, Sales tax (%): 0. The result is 4,000 (final price including tax).

Assumptions and limits

This is a mathematical estimate using the values you enter. Confirm real product terms, fees, tax rules and dates before acting on it.

Frequently asked questions

What inputs does the Percent Off Calculator need?

Use original price, discount (%), sales tax (%). Read the answer and any additional results below the form. Check the units and the limits of the method.

What assumptions apply to the Percent Off Calculator?

This is a mathematical estimate using the values you enter. Confirm real product terms, fees, tax rules and dates before acting on it.

A little help with the numbers

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