Discount Calculator

Enter a price and discount percentage; see the final price, your savings, and — if you'd like — the effective total rate of a second consecutive discount.

Runs 100% in your browser — your information is never sent to a server.
Final Price
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Savings
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Effective Total Discount
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Frequently Asked Questions

Final price = Price × (1 − Discount% / 100). For example, applying a 20% discount to a 1000 ₺ product results in a final price of 800 ₺.

No. Consecutive discounts are applied multiplicatively, not additively. For example, 20% followed by 10% doesn't add up to 30% — it's effectively a 28% discount (1 − 0.8×0.9 = 0.28), because the second discount is calculated on the already-reduced price from the first.

The effective total discount shows, as a single percentage, how much you saved from the original price to the final price after both discounts are applied — this lets you see the real discount rate without confusing it with the store's "20% + 10%" marketing language.

No. All calculation is done in your browser with JavaScript — no value is ever sent to OpenMoon's servers.

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