Laundry Detergent Planner
Estimate detergent quantity and cost for a set of wash loads.
Your inputs
Calculation results
Formula & assumptions
Loads per bottle = bottle size/dose; no dosing recommendation is provided.
Values use the specified units. Calculations use floating-point arithmetic. Check input measurements and formula assumptions before applying the result.
Compare your scenarios
Save up to five results to compare changes side by side. Scenarios stay in this tab until you clear or reload it.
Using Laundry Detergent Planner
Estimate detergent quantity and cost for a set of wash loads.
- Enter loads per week, dose per load, bottle size, bottle price using the units printed under each field.
- Choose Calculate, or enable live updates. Review the result labels and formula assumptions.
- Save scenarios to compare up to five variations, then copy the report or download JSON or CSV.
Example
Loads per week: 4 loads Dose per load: 40 milliliters Bottle size: 1500 milliliters Bottle price: 12 currency units Loads per bottle: 37.5 Weekly detergent · milliliters: 160 Cost per load: 0.32 Weeks per bottle: 9.375
Questions & answers
What does Laundry Detergent Planner calculate?
Estimate detergent quantity and cost for a set of wash loads.
Which units should I enter?
Loads per week uses loads. Dose per load uses milliliters. Bottle size uses milliliters. Bottle price uses currency units. Convert values to these units before calculating.
Which formula does it use?
Loads per bottle = bottle size/dose; no dosing recommendation is provided.
What does the included example show?
Loads per week: 4 loads; Dose per load: 40 milliliters; Bottle size: 1500 milliliters; Bottle price: 12 currency units. Result: Loads per bottle = 37.5; Weekly detergent · milliliters = 160; Cost per load = 0.32; Weeks per bottle = 9.375.
Can I compare different settings?
Yes. Save a scenario, change the inputs and save another result. Up to five scenarios are compared in this tab; they disappear when you reload or leave.
Can I export the calculation?
Copy the JSON report or download JSON and CSV with inputs, result labels and numeric values. Processing uses local JavaScript; no calculation request is sent to our server. Displayed values use up to 10 significant digits; exports retain JavaScript numeric precision.
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