THE NUMBERS, EXPLAINED
How to use this calculator.
Values each redemption against its comparable supplied cash price, net of mandatory cash fees. No external point valuation or availability is assumed.
Start with your inputs
Enter cash prices by option, points required by option, mandatory cash fees by option. Keep amounts in the units shown on each field. The example is a starting point, not a recommended value.
| Input | Example value |
|---|---|
| Cash prices by option | 100,150 |
| Points required by option | 10000,12000 |
| Mandatory cash fees by option | 20,30 |
A worked example
With the example inputs above, value per point by option is 0.008, 0.01. Change the inputs to explore your own scenario.
| Result | Example answer |
|---|---|
| Value per point by option | 0.008, 0.01 |
| Cash avoided by option | 80, 120 |
How this is calculated
Value per point by option
Subtract mandatory cash fee from comparable cash price and divide by required points.
Cash avoided by option
Subtract redemption fee from the cash alternative.
Symbols and units
- a
- Cash prices by option
- b
- Points required by option
- c
- Mandatory cash fees by option
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
Values each redemption against its comparable supplied cash price, net of mandatory cash fees. No external point valuation or availability is assumed.
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?
Value per point by option; Cash avoided by option. 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: Values each redemption against its comparable supplied cash price, net of mandatory cash fees. No external point valuation or availability is assumed.
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 →