THE NUMBERS, EXPLAINED
How to use this calculator.
Based on measured solution use and recovery; tanks start empty, with first clean-water fill before cleaning. No chemical dosing guidance.
Start with your inputs
Enter carpet area (m²), measured solution usage (l/m²), clean tank capacity (l), observed recovered fraction (%), collection tank capacity (l). Keep amounts in the units shown on each field. The example is a starting point, not a recommended value.
| Input | Example value |
|---|---|
| Carpet area (m²) | 80 |
| Measured solution usage (L/m²) | 0.2 |
| Clean tank capacity (L) | 4 |
| Observed recovered fraction (%) | 75 |
| Collection tank capacity (L) | 3 |
A worked example
With the example inputs above, solution required (l) is 16. Change the inputs to explore your own scenario.
| Result | Example answer |
|---|---|
| Solution required (L) | 16 |
| Refills after initial fill | 3 |
| Recovered liquid (L) | 12 |
| Collection tank loads | 4 |
How this is calculated
Solution required (L)
Multiply carpet area by observed solution use.
Refills after initial fill
Round required tank fills up, then subtract the initial fill.
Recovered liquid (L)
Apply the measured recovery percentage.
Collection tank loads
Divide recovered liquid by tank capacity and round up.
Symbols and units
- a
- Carpet area (m²)
- b
- Measured solution usage (L/m²)
- c
- Clean tank capacity (L)
- d
- Observed recovered fraction (%)
- e
- Collection tank capacity (L)
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
Based on measured solution use and recovery; tanks start empty, with first clean-water fill before cleaning. No chemical dosing guidance.
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?
Solution required (L); Refills after initial fill; Recovered liquid (L); Collection tank loads. 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: Based on measured solution use and recovery; tanks start empty, with first clean-water fill before cleaning. No chemical dosing guidance.
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.
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