jarvisbox

大宗采购省钱计算器

计算在不同价格点下,大量采购相比单件购买能省下多少。

Single unit

Bulk pack

How to use

  1. Enter the price for buying a single unit.
  2. Enter the total price and unit count for the bulk pack.
  3. Enter how many units you actually need — the tool shows total cost and savings.

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常见问题

Is this tool free?
Yes, completely free with no signup required.
Does my data leave my device?
No. All calculations happen in your browser — nothing is sent to a server.
Does it work on mobile?
Yes. The tool is mobile-first and works on any modern browser.

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