Measure the current state
Opening inventory + purchases − inventory assigned to sold jobs.
Interactive calculator
Inventory Allocation Calculator
How much inventory remains unassigned after sold-job commitments?
The operating reality
How much inventory remains unassigned after sold-job commitments?
Opening inventory + purchases − inventory assigned to sold jobs.
Use one consistent cost basis. Assigned value should include product already promised even if it has not left the shelf.
Formula
What the calculator does
Opening inventory + purchases − inventory assigned to sold jobs.
Read the result
Use the number as a decision baseline
Use one consistent cost basis. Assigned value should include product already promised even if it has not left the shelf.
Change one input at a time to understand the lever. The calculator is educational and does not promise financial performance.
Input safety
Blank, zero, negative, and divide-by-zero handling
Blank and negative values resolve to zero. If assigned value exceeds available value, the negative result exposes an over-allocation.
Put it in context
Related operating guidance
Use the calculator with the principle and solution that explain the operating decision.
Simple dollar example
Make the economics visible.
$18,000 opening + $7,000 purchases − $21,500 assigned = $3,500 unallocated; 86% is assigned.
Illustrative only. Use your own numbers and assumptions; this is not financial advice or a guaranteed forecast.
Use your numbers
How much cash is sitting in inventory?
Use one consistent period. Results use only your entries and are educational, not financial advice.
What changes
One clear rule. One accountable next action.
Keep the workflow accountable
Use one consistent cost basis. Assigned value should include product already promised even if it has not left the shelf.
Frequently asked questions
Practical buying questions
Is this result a benchmark or forecast?
No. It uses only the values entered and provides an educational baseline. It is not financial advice or a guarantee.
Which period should I use?
Use one consistent period across every input. A monthly spend cannot be compared with annual closes without converting one of them.
What happens with missing or invalid inputs?
Blank and negative values resolve to zero. If assigned value exceeds available value, the negative result exposes an over-allocation.
Related reading
Keep following the operating system.
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