Supplied Inventory Reorder Projection calculator.
Calculate lead-time consumption and a trigger quantity from your chosen demand rate, lead time and reserve.
Your inputs
Use measurements from your plan and properties from your chosen product. Any prefilled values are illustrative.
A clear estimate starts here.
Enter your dimensions and product details to see the quantity and purchase breakdown.
Formula and assumptions
How this calculation works.
Calculate lead-time consumption and a trigger quantity from your chosen demand rate, lead time and reserve. No statistical demand forecast or automatic reserve recommendation.
A worked example
Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.
- Currently usable stock
- 50
- Entered units consumed per day
- 4
- Quoted lead time in days
- 10
- Reserve quantity selected by you
- 5
Trigger quantity for supplied assumptions: 45
Constant consumption and a fixed quoted lead time. Reserve level is your input; no service level, order date or guaranteed stock availability is recommended.
Before you purchase
Use dimensions from your plan and properties from your chosen product. Any design spacing, section or fixing pattern must already be specified.
No statistical demand forecast or automatic reserve recommendation.
Method: dimensional arithmetic and user-supplied specifications. Software checks: 2026-10-04. Calculation and review policy.