Depletion plans

A depletion plan projects how quickly an item’s stock will run down based on its expected consumption. It turns a current quantity into a timeline — telling you when you’ll run out, not just how much you have.

What drives the projection

• Available stock — your starting point.
• Consumption rate — drawn from sales history, scheduled work orders, or a rate you set.
• Incoming supply — open purchase orders that top the item back up.

Reading the runway

Fiddle plots availability forward over time. The point where the line crosses zero — or your reorder point — is when you need stock to arrive.

Marker	What it tells you
Run-out date	When available reaches zero at the current rate
Reorder-by date	Latest date to order, given supplier lead time
Coverage	Days of stock the current quantity provides

The reorder-by date already accounts for lead time. Order on or before it, or the new stock arrives after you’ve run dry.

Spikes in demand shorten the runway fast. Re-check depletion plans after large sales orders or new work orders are scheduled.

Next steps

Use depletion plans alongside the demand planning overview to decide what to order and when.