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At 15–25 °C, sealed white rice keeps 2 years or more, dried beans 2–3 years and flour 6–8 months — and those months, not jar size, should set how much you buy.
Bulk goods come without printed dates, so shelf life becomes the buyer's own arithmetic. The reference condition is a cool pantry at 15–25 °C; every month quoted here assumes that band holds.
The staples split sharply. Sealed white rice keeps 2 years or more, dried beans run 2–3 years, and flour is the short fuse at 6–8 months. In a mixed pantry, the shortest-lived item sets the tempo for everything else on the shelf.
Rotation is the procedure that makes the months real. Date every container at fill time, place short-lived staples at the front, and run first in, first out: the older batch is finished before the newer one is opened.
On narrow screens, swipe or scroll the plate sideways.
The named failure is the mixed batch — new rice poured over old in the same jar, which strands the older grains at the bottom past their best months. The fix is mechanical: finish, wash, dry, then refill.
Purchase size follows from the same table. One kilogram of dry rice yields roughly 2.5–3 kg cooked, and 1 kg of coffee beans yields about 55 double espressos at an 18 g dose — buy the quantity those servings represent within the shelf-life window, not the quantity that fills the jar.
The other two numbers of the format connect here: the net weight you are rotating comes from the tare-and-fill weighing on the container tare weights page, and what that weight cost per kilo is decoded on the price per kilo page.
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