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Discount & Percentage Calculator

Find the final price after a discount, figure out how much you saved, or add GST/tax to any amount.

Original Price

Discount Rate

Discount Calculator — How To Use

Our free discount and percentage calculator handles three common shopping maths tasks — instantly, no app download required.

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Discount Price

Enter the original price and a discount percentage to instantly see the final price and total savings.

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Find Discount %

Already know the original and sale price? Find out exactly what percentage was knocked off.

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Add Tax / GST

Calculate tax amounts and the total price including GST, VAT, or any custom percentage rate.

Discount Price

$1200 with 25% off = $900

You save: $300

Find Discount %

$800 → $600 = 25% off

Saved $200

GST / Tax

$500 + 18% GST = $590

Tax: $90