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折扣计算器Discount Calculator

算折后价、节省金额和实际折扣,也能从现价反推折扣。Find the final price, savings and effective discount, or work backwards from a sale price.

理念:Idea: 每一分优惠都算得明明白白。Know exactly what every discount saves.

解决:Solves: 算折后价、省多少、实际几折Final price, savings and real discount

适合:For: 购物比价的人Shoppers comparing prices

可用Available在浏览器中运行Runs in your browser
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在你的设备上本地处理。这里输入的内容不会上传。Processed locally on your device. Nothing you enter here is uploaded.

使用方法How to use

  1. 1输入原价和折扣(需要时叠加优惠或税率)。Enter the price and discount (add an extra discount or tax if needed).
  2. 2查看到手价和节省金额。Read the price you pay and what you save.
  3. 3右边的卡片可由现价反推折扣。Use the second card to find the discount from a sale price.

说明Good to know

  • 「优惠 20%」就是「8 折」。两次优惠是连乘,不是相加。“20% off” equals “8折”. Two discounts apply one after the other, not added together.
  • 如填了税率,按折后价计税。Tax, if entered, is applied to the discounted price.
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