THE NUMBERS, EXPLAINED
How to use this calculator.
Donation items have zero receipts and any direct fee entered explicitly. Does not estimate tax benefits.
Start with your inputs
Enter expected sale receipts by item, fees by item, handling minutes by item, chosen time value per hour. Keep amounts in the units shown on each field. The example is a starting point, not a recommended value.
| Input | Example value |
|---|---|
| Expected sale receipts by item | 20,40,0 |
| Fees by item | 2,4,0 |
| Handling minutes by item | 30,60,30 |
| Chosen time value per hour | 12 |
A worked example
With the example inputs above, net cash recovered is 54. Change the inputs to explore your own scenario.
| Result | Example answer |
|---|---|
| Net cash recovered | 54 |
| Handling hours | 2 |
| Recovery after chosen time value | 30 |
How this is calculated
Net cash recovered
Subtract all direct fees from expected receipts.
Handling hours
Add handling minutes and convert to hours.
Recovery after chosen time value
Subtract the entered valuation of handling time from net cash.
Symbols and units
- a
- Expected sale receipts by item
- b
- Fees by item
- c
- Handling minutes by item
- d
- Chosen time value per hour
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
Donation items have zero receipts and any direct fee entered explicitly. Does not estimate tax benefits.
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?
Net cash recovered; Handling hours; Recovery after chosen time value. 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: Donation items have zero receipts and any direct fee entered explicitly. Does not estimate tax benefits.
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: Solve proportions and their applications ↗
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 →