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A discount lowers the original price by a percentage. From the original price and the discount rate this calculator shows two figures: the final price you actually pay, and the savings, that is the amount the discount takes off. So when shopping, in a sale or with an offer you see at a glance what is left at the end and how much the reduction really gives you.
The calculation runs entirely locally in your browser, in pure JavaScript - nothing is uploaded and nothing is stored. The final price is the original price times one minus the discount rate, and the savings are the difference between the two. The discount is limited to 0 to 100 percent. Change the price or the discount and the final price and savings update instantly.
An honest note: this is plain percentage arithmetic on a single price. Stacked discounts applied one after another, quantity tiers or value-added tax are not modelled automatically - the VAT calculator handles tax. The amounts are shown in euros as an example; the maths applies to any currency.
The classic mental trap with stacked discounts: 20 percent plus another 10 percent is not 30 percent but 28 - because the second discount only acts on the already lowered price (0.8 times 0.9 = 0.72). So run staged discounts through this calculator one after the other instead of adding the percentages.
Specifications
Specifications
Input formats
Form inputs (no file)
Processing
Locally in your browser (JavaScript)
File upload
None
In 3 steps
Enter the original price.
Enter the discount in percent.
Read off the final price and savings; the result updates instantly.
Limitations: Plain percentage arithmetic on a single price; the discount is limited to 0 to 100 %. Stacked discounts, quantity tiers and VAT are not modelled automatically. Amounts are in euros as an example - the maths applies to any currency.
FAQ
Are my inputs uploaded?
No. The calculation runs entirely locally in the browser (pure JavaScript); nothing is sent or stored.
How is the final price calculated?
Final price = original price times (one minus the discount rate). The savings are the difference between the original and final price.
Can I combine several discounts?
The calculator applies one discount to one price. For stacked discounts, apply them one after another: enter the result again as the original price.
Is VAT included?
The calculator only handles the discount. For net/gross and tax, use the VAT calculator.