// Tools

WSSI calculator

WSSI — Weekly Sales, Stock & Intake — is the retail planning view that tracks stock flow week by week. Its core identity is closing stock = opening stock + intake − sales, with weeks of cover showing how long the remaining stock lasts.

Enter a period below to project closing stock and weeks of cover.

Enter opening stock, intake, and sales to project closing stock and weeks of cover.
// How it works
  1. 01
    Enter opening stock (BOP)
    The stock you hold at the start of the period.
  2. 02
    Enter intake and sales
    Planned receipts into the period and planned sales over it.
  3. 03
    Enter weeks in the period
    Used to convert period sales into an average weekly rate.
  4. 04
    Read closing stock + cover
    Closing = opening + intake − sales. Weeks of cover = closing ÷ average weekly sales.

A real WSSI runs every week across many lines and channels. New to it? Read what a WSSI is and how to build one, or pair it with the open-to-buy calculator.

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