THE NUMBERS, EXPLAINED
How to use this calculator.
Single SKU with whole cases and a minimum case order; an entered positive minimum still applies when requirement is zero.
Start with your inputs
Enter required saleable units, units per case, minimum order (cases). Keep amounts in the units shown on each field. The example is a starting point, not a recommended value.
| Input | Example value |
|---|---|
| Required saleable units | 250 |
| Units per case | 24 |
| Minimum order (cases) | 12 |
A worked example
With the example inputs above, cases to order is 12. Change the inputs to explore your own scenario.
| Result | Example answer |
|---|---|
| Cases to order | 12 |
| Units purchased | 288 |
| Surplus units | 38 |
How this is calculated
Cases to order
Round required units to cases and apply the minimum order.
Units purchased
Multiply ordered cases by case size.
Surplus units
Deduct required units from purchased units.
Symbols and units
- a
- Required saleable units
- b
- Units per case
- c
- Minimum order (cases)
Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.
Assumptions and limits
Single SKU with whole cases and a minimum case order; an entered positive minimum still applies when requirement is zero.
Calculations use the values you enter. Blank or invalid inputs show an error instead of silently substituting zero. Results are displayed to useful precision; calculations retain the underlying numeric precision.
Questions about this tool
What does the result tell me?
Cases to order; Units purchased; Surplus units. The result applies to the method and inputs described above. Check the units and assumptions before using it in a decision.
Why might another calculator differ?
Differences in units, rounding, timing or model definitions can produce different answers. Compare the input definitions and the method, rather than only the final number. For this tool: Single SKU with whole cases and a minimum case order; an entered positive minimum still applies when requirement is zero.
Are my inputs stored or sent to AI?
Calculations on this page happen in your browser. The separate AI question finder sends its submitted conversation to OpenAI; these calculator fields are not sent. Favourites and recent tool names are stored locally. A shared link contains the inputs you choose to include.
Further reading
OpenStax: Describe and Identify Cost Drivers ↗
Background reading; this does not imply endorsement or independent review of SumFizz.
Review status
Software example and browser checks are recorded in our quality report. No external expert review is claimed. Created with coding assistance; calculations run as ordinary browser code.
Read the quality report →