Kanban Sizing Calculator
Calculate the number of kanban cards and total inventory needed for a pull system.
How to Use the Kanban Sizing Calculator
- Enter daily demand and lead time in days.
- Set safety stock percentage.
- Enter container size and click Calculate.
Use Cases
- •Setting up pull systems in lean manufacturing.
- •Inventory optimization projects.
- •Supply chain and replenishment planning.
Formula
Formula: K = (Daily Demand × Lead Time × (1 + Safety Stock%)) / Container Qty.
Frequently Asked Questions
What is a kanban card?
A kanban card is a signal that authorizes production or replenishment of a specific quantity of a part or product.
What safety stock percentage should I use?
Typically 10–20% is used. Higher variability in demand or lead time warrants a higher safety stock.
What is container quantity?
The standard batch size or container size per kanban card — typically one box, bin, or pallet quantity.