What this calculator can tell you
It calculates the formula from the values you enter. It does not verify that currencies, attribution semantics, product mappings, or cost inputs are compatible.
Free calculator
Inventory Runway Calculator
Inventory runway is a current-velocity estimate, not a demand forecast. If recent sales velocity is unknown, the correct answer is unavailable—not infinite runway or zero demand.
Days of cover = units on hand ÷ observed average units sold per day
ResultEnter values
The calculator will show a result once the required denominator or baseline is greater than zero.
What Metrico adds
Metrico can apply the same question to synchronized Shopify and supported paid-media data while keeping the relevant account, currency, mapping, and inventory context available.