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20 Percent Off Calculator

Calculate the sale price after a discount, see how much you save, and stack a second discount on top.

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Result

This page opens the discount calculator with 20% preset — enter the original price and you instantly see the final price and the saving. 20% off means paying exactly four fifths of the price: an 85 item drops to 68, a 250 item to 200.

A quick mental trick for 20%: find 10% by moving the decimal point one place left, then double it. 20% is one of the most common promotional depths in fashion and electronics sales, and also a standard "extra off" percent in end-of-season clearances.

If the 20% comes on top of another markdown, put the first discount in the main field and 20 in the extra field: the calculator applies them in sequence and shows the honest combined percent — 20% on top of 30% is 44% total, not 50%. All calculations happen live in your browser.

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Executed in Browser

Your files and inputs never leave this device. Processing runs completely offline. 100% Secure.

Accepted Formats & Rules

  • Sale price and amount saved from any price and percent off.
  • Optional second stacked discount (extra % off the reduced price).
  • Effective total discount percent for stacked deals.

Key Benefits

✓ Final price and exact savings appear instantly as you type — no button to press.
✓ Stack a second discount and see the true combined percent off, not the misleading sum.
✓ Runs entirely in your browser: quick to open at the store shelf, nothing uploaded.

Use Cases

  • • Check the real sale price and your savings before paying at the till or online checkout.
  • • Verify that a shelf label matches the advertised percent off the crossed-out price.
  • • See the honest combined percent when an extra discount stacks on an existing markdown.