折扣与满减
UpBox优盒工具箱，免费在线折扣计算器，输入原价、折扣与满减规则即可算出折后价、实付金额、共省多少与等效折扣，支持每满叠加。
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价格与优惠Price and offers
折后价-
实付-
共省-
实际折扣-
填写原价后自动计算
折扣按「几折」理解，8.5 折即原价的 85%；满减以折后价计算，叠加时按每满门槛取整；结果保留两位小数，不含运费、税费与平台券
本工具所有运算在本地浏览器完成，你的文件、文本不会上传到服务器
工具介绍
「8.5 折再满 200 减 20，最后到底付多少」这类问题，心算容易差几块。填进原价和规则，实付与等效折扣一并给出。 Questions like “85% off then 20 off every 200” are easy to misjudge by hand. Enter the price and rules to get both the payment and the effective discount.
满减支持每满叠加，也支持只减一次；一行算式把「原价 → 折后 → 满减 → 实付」串起来，方便核对。 The offer can stack per threshold or apply once; one line shows price → discount → offer → payment so you can check it.
- 折后价Discount price
- 满减叠加Stacked offers
- 共省金额Total savings
- 等效折扣Effective rate
使用说明
- 填原价与折扣。Enter price and discount.
- 按需填满减。Add the offer.
- 核对实付与共省。Check payment and savings.
- 看算式复核。Review the breakdown.
常见问题
8.5 折是减 85% 吗？Does 8.5 mean 85% off?
不是，8.5 折是原价的 85%，也就是省 15%。No — 8.5 tenths means 85% of the price, so you save 15%.
满减按原价还是折后价？Offer on the original or discounted price?
本工具按折后价判断门槛与计算优惠。This tool applies the offer to the discounted price.
「每满 200 减 20」怎么算？How does spend-200-save-20 work?
勾选可叠加上，每满 200 减 20；不勾选只减一次。Tick stacking to save 20 for every 200; otherwise it applies once.
含运费和税费吗？Are shipping and tax included?
不含，只算商品价与折扣满减。No, only the item price with discount and offer.