Stock & logistics
How should I split available stock across two backorders?
Take the reserve out of available stock first. Allocate remaining units to the oldest order up to its need, then to the next. The outstanding balance combines both orders. Assume partial fulfilment is permitted.
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Worked example
With the example inputs below, the calculator returns these results.
Units for oldest order 50
- Units available now
- 90 units
- Units to keep in reserve
- 10 units
- Units due on the oldest order
- 50 units
- Units due on the next order
- 55 units
Other results
- Units for next order
- 30
- Units still outstanding
- 25
- Unreserved units left
- 0
Use your own figures
See exactly how much each order receives under oldest-first allocation. Open the worksheet, replace the example values, then copy or print the result.
Backorder allocation →