wrolpi-help/docs/modules/inventory/ration.md

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# Ration Estimate
When an [inventory](index.md) has a [calories field](index.md#field-types), a **Ration** tab appears. It estimates
how long your stored food will last a household.
![ration-estimate.png](ration-estimate.png)
* **People** — enter how many men, women, and children are in the household.
* **Daily Calories** — pick an activity level preset (Sedentary, Moderately Active, Active, or Survival), or edit
the per-person daily calorie figures directly. The defaults come from the Dietary Guidelines for Americans
2020-2025.
WROLPi then shows your **Total Stored Calories**, the household's **Daily Demand**, and how long the food
**Lasts**.
## Plan More Supply
Below the estimate, drag the slider to a target duration longer than your current supply to generate a shopping
list. WROLPi scales the whole inventory up proportionally — every item grows by the same factor so the mix stays
balanced — and rounds any split package up to a whole one. The result is a sortable table of how many additional
packages of each item to buy to reach the target.
![supply-plan.png](supply-plan.png)
The shopping list can be downloaded as a CSV or printed/saved as a PDF.