Stock Days Cover Calculator
Estimate inventory coverage from average daily demand.
Your inputs
Calculation results
Formula & assumptions
Days cover = stock/daily demand; incoming stock assumes immediate availability.
Values use the specified units. Calculations use floating-point arithmetic. Check input measurements and formula assumptions before applying the result.
Compare your scenarios
Save up to five results to compare changes side by side. Scenarios stay in this tab until you clear or reload it.
Using Stock Days Cover Calculator
Estimate inventory coverage from average daily demand.
- Enter current stock, average daily demand, incoming stock using the units printed under each field.
- Choose Calculate, or enable live updates. Review the result labels and formula assumptions.
- Save scenarios to compare up to five variations, then copy the report or download JSON or CSV.
Example
Current stock: 1200 items Average daily demand: 40 items Incoming stock: 200 items Current cover · days: 30 Cover including incoming · days: 35 Weekly demand · items: 280
Questions & answers
What does Stock Days Cover Calculator calculate?
Estimate inventory coverage from average daily demand.
Which units should I enter?
Current stock uses items. Average daily demand uses items. Incoming stock uses items. Convert values to these units before calculating.
Which formula does it use?
Days cover = stock/daily demand; incoming stock assumes immediate availability.
What does the included example show?
Current stock: 1200 items; Average daily demand: 40 items; Incoming stock: 200 items. Result: Current cover · days = 30; Cover including incoming · days = 35; Weekly demand · items = 280.
Can I compare different settings?
Yes. Save a scenario, change the inputs and save another result. Up to five scenarios are compared in this tab; they disappear when you reload or leave.
Can I export the calculation?
Copy the JSON report or download JSON and CSV with inputs, result labels and numeric values. Processing uses local JavaScript; no calculation request is sent to our server. Displayed values use up to 10 significant digits; exports retain JavaScript numeric precision.
Related tools
A useful next step for your task.
Everyday CalculatorsReorder Quantity PlannerCalculate a stock top-up to a target number of supply days.
Everyday CalculatorsInventory Shrinkage CalculatorCompare expected stock with counted stock and estimate the value difference.
ConvertersUnit ConverterRecommendedConvert length, mass, temperature, area, volume, speed, time and digital storage. Strict inputs, batch reports and clearly labeled US, imperial…
Everyday Calculators2D Point Distance CalculatorMeasure the straight-line distance and midpoint between coordinates.
Help improve this tool
Report a problem or suggest an improvement
Describe the issue without pasting private tool input. Feedback goes to our admin inbox.