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How many production batches will cover the preorders?
Divide committed units by the expected good units per batch. Round up and apply the minimum batch count to any positive order. Count whole expected saleable spares after commitments. The cost applies to every unit produced. Actual defects can differ from the assumed rate.
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Worked example
With the example inputs below, the calculator returns these results.
Batches to order 5
- Committed units
- 235 units
- Expected defect share
- 4 %
- Manufactured units per batch
- 50 units
- Supplier minimum order
- 2 batches
- Manufacturing cost per unit made
- 8.5 €
Other results
- Units to manufacture
- 250
- Expected spare saleable units
- 5
- Manufacturing cost
- €2,125.00
Use your own figures
Estimate the upfront manufacturing spend and expected spare saleable units. Open the worksheet, replace the example values, then copy or print the result.
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