THE NUMBERS, EXPLAINED
How to use this calculator.
Each option represents buying and altering one garment; care, resale and financing are excluded.
Start with your inputs
Enter purchase prices by option (currency), alteration quotes by option (currency), expected wears by option. Keep amounts in the units shown on each field. The example is a starting point, not a recommended value.
| Input | Example value |
|---|---|
| Purchase prices by option (currency) | 80,100 |
| Alteration quotes by option (currency) | 20,0 |
| Expected wears by option | 50,40 |
A worked example
With the example inputs above, adjusted total by option is 100, 100. Change the inputs to explore your own scenario.
| Result | Example answer |
|---|---|
| Adjusted total by option | 100, 100 |
| Cost per wear by option | 2, 2.5 |
How this is calculated
Adjusted total by option
Add each purchase price and alteration quote.
Cost per wear by option
Divide each adjusted cost by its expected wears.
Symbols and units
- a
- Purchase prices by option (currency)
- b
- Alteration quotes by option (currency)
- c
- Expected wears 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
Each option represents buying and altering one garment; care, resale and financing are excluded.
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?
Adjusted total by option; Cost per wear 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: Each option represents buying and altering one garment; care, resale and financing are excluded.
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 →