Discount Calculator — Percent Off & Final Price
Quickly calculate a sale price and see how much you save. Enter the original price and up to three stacked discounts to get the final price, the total saved and the single effective discount percentage. Or switch to reverse mode to find the discount percentage from an original and sale price. You can also add or extract Thailand VAT 7%. Everything runs in your browser, with no sign-up.
Thailand standard rate is 7%. Change it only for special cases.
The price actually paid after the discount.
Your results will appear here
Enter a price to see the final price, savings and discount percentage.
Final price The price you pay after all discounts are applied (before any VAT).
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Total saved Original price minus the final price — how much the discounts take off.
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Effective discount The single percentage that equals all the stacked discounts combined.
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Step-by-step breakdown
| Step | Amount |
|---|
Discount How much was taken off, as a percentage of the original price.
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Amount saved Original price minus the final price, in baht.
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You pay The final price as a percentage of the original.
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How to use
- Enter the original price in baht on the Apply discount tab.
- Add up to three discounts, or tap a quick-pick button (5%, 10%, 20%, 50%…).
- Read the final price, total saved and effective discount instantly.
- Tick Include VAT 7% to add VAT on top or extract it from the price.
- Use the Find discount % tab to get the percentage from an original and sale price.
- Click Copy summary to paste the figures into a chat, price tag or invoice.
Features
- Stack up to three discounts applied one after another (ลดซ้อน)
- Quick-pick buttons for 5%, 10%, 15%, 20%, 50% and 70% off
- Effective total discount shown as a single percentage
- Reverse mode: find the discount percentage from original and sale price
- Add or extract Thailand VAT 7% with an editable rate
- 100% in-browser — your figures never leave your device