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General Questions

Discount Calculator is a free, web-based tool that helps you quickly calculate discounts and savings. You enter the original price and either a percentage discount or a fixed amount off, and the calculator instantly shows you the final price and the total amount saved. The tool works entirely in your browser, requiring no downloads or installations.
Yes, Discount Calculator is completely free to use with no hidden fees, subscriptions, or premium tiers. The project is open source under the MIT License, which means it will always remain free. You can use it as many times as you need without any limitations.
No account is required. You can visit discountcalculator.org and start calculating discounts immediately. We don’t collect personal information or require registration, making it quick and hassle-free to use.
Absolutely! Discount Calculator is fully responsive and works seamlessly on smartphones, tablets, laptops, and desktop computers. The interface automatically adapts to your screen size, providing an optimal experience on any device.

Using the Calculator

A percentage discount reduces the price by a certain percentage of the original amount. For example, a 20% discount on 100resultsin100 results in 20 off. A fixed amount discount subtracts a specific dollar amount regardless of the original price. For example, 15offapplieswhethertheitemcosts15 off applies whether the item costs 50 or $500. Choose the discount type that matches your scenario.
Currently, the calculator processes one discount at a time. If you need to apply multiple discounts (such as a store discount plus a coupon), calculate the first discount, then use the resulting price as the new original price for the second discount calculation. This method accurately reflects how most retailers apply stacked discounts.
Discount Calculator provides results rounded to two decimal places, which is standard for currency calculations. The underlying calculations use high-precision decimal arithmetic to ensure accuracy before rounding, so you can trust the results for both personal and business use.
Yes! While the calculator doesn’t display currency symbols by default, you can use it with any currency. Simply enter the price in your local currency (dollars, euros, pounds, yen, etc.), and the calculations will work the same way. The math behind discounts is universal.

Technical and Privacy

No, we don’t store or track your calculations. All computations happen locally in your browser, and no data is sent to our servers. This ensures your privacy and means you can calculate sensitive pricing information without concerns about data retention.
Once you’ve loaded the website in your browser, basic functionality works without an internet connection thanks to browser caching. However, you’ll need to be online for the initial page load and to access the latest features and updates.

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