How do I work backwards from a launch day using calendar-day production, transit and inspection allowances?
Subtracts calendar days. Closures, customs and unconfirmed lead times require manual adjustment.
Open Purchase Release DateTry the worked example
These are the example inputs from Purchase Release Date. Replace them in the tool to run your own case.
| Material | Launch date | Make days | Transit days | Inspect days | Decision date |
|---|---|---|---|---|---|
| Gift box | 2026-12-01 | 14 | 5 | 2 | 2026-11-12 |
| Leaflet | 2026-12-01 | 3 | 2 | 1 | 2026-11-12 |
Example result
Gift box · Escalate · Release by 2026-11-10. 2 day(s) late.
Who uses this?
Retail launch buyers. The free online tool runs the calculation in your browser. To edit the files and use the tools offline in one business, see the €49 offline edition.
Where the idea came from
Benchcraft adapted the reviewed supplier comparison and approval for repeat purchasing idea for retail launch buyers. The rules and fictional example here were created for this tool.
Original video