- Initial demand per week
- Your initial expected demand per week.
- Annual growth rate
- What you expect your annual sales growth to be over the next year.
- Safety stock
- Expressed as a percent of your sales, this is the level of inventory you require as safety stock. This stock is used to protect against out of stock situations.
- Order lead time in weeks
- How long it takes an order for more inventory to be received into inventory. This calculator assumes orders arrive in one batch with a known lead time, arriving just as stock is exhausted.
- Starting inventory
- Amount of inventory you currently have on hand.
