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THE FEUTEX TOOLKIT

Household Consumable Runout Forecast

Forecast supply duration from two stock measurements and a planned future change in household use.

Home workspace● Runs in your browser
01 Your input
02 Your result
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FormulaObserved daily usage = (start-end)/days; Days until reserve level = Math.max(0,end-reserve)/((start-end)/days*(1+change/100))

Made for real tasks

  • Forecast supply duration from two stock measurements and a planned future change in household use.
  • Compare an alternative set of measurements without uploading personal data.
Explore step-by-step workflows →

Worked example

Inputs

Starting inventory
120 units
Ending inventory
90 units
Days between counts
15 days
Expected future usage change
20 %
Inventory held as reserve
10 units

Expected results

Observed daily usage
2 units/day
Days until reserve level
33.33333333 days

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Enter starting inventory, ending inventory, days between counts, expected future usage change, and inventory held as reserve in the displayed units.
  2. Calculate and use each labeled result for household consumable runout forecast. Compare the result with a measured sample before committing materials.

Try this example

{
  "start": 120,
  "end": 90,
  "days": 15,
  "change": 20,
  "reserve": 10
}

Accuracy and scope

Linear use forecast for ordinary household consumables; no automatic inventory tracking or medical-supply dosing.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.