One year food storage calculator
Enter your household and get a printable list: pounds per category, how many buckets it fills, what it costs and how much floor space it takes.
12-month plan for 3 adult-equivalent eaters
- Total food
- 1,884 lb
- Estimated cost
- $2,179.5
- 5-gal buckets
- 54
- Floor space
- 18 ft²
- stacked 3 high
- Water
- 56 gal
- 14 days
Your shopping list
| Category | Pounds | Buckets | Est. cost | Shelf life |
|---|---|---|---|---|
Grains Wheat, rice, oats, pasta, flour. The backbone of the plan by weight. | 1,200 | 33 | $720 | 30 yr |
Legumes Dry beans, lentils, split peas. Your protein when the freezer is empty. | 180 | 6 | $216 | 30 yr |
Fats & oils Oil, shortening, ghee. The shortest shelf life on the list — rotate hardest. | 75 | — | $187.5 | 2 yr |
Sugars Sugar, honey, molasses. Also what makes a long stretch of stored food bearable. | 180 | 6 | $144 | 30 yr |
Dairy (powdered) Powdered milk. The single most expensive line — buy it gradually. | 225 | 8 | $900 | 20 yr |
Salt Cheap, keeps forever, and essential for curing and preserving. | 24 | 1 | $12 | Indefinite |
| Total | 1,884 | 54 | $2,179.5 |
Don't buy this in one trip. The total above is a destination, not a shopping list for Saturday. Most families build it over 12–18 months by adding one category at a time — and a pantry full of food nobody eats is money burned, so buy what you already cook with.
Where these numbers come from
The per-adult baselines here — 400 lb of grain, 60 lb of legumes, 25 lb of fats, 60 lb of sugar, 75 lb of powdered dairy and 8 lb of salt — are the long-standing one-year figures used across preparedness and self-sufficiency guidance. They describe a survival ration that keeps an adult fed and functional, not a menu anyone would choose.
Children under seven are counted as half an adult ration, which is the standard adjustment. Teenagers, pregnant or nursing adults, and anyone doing heavy outdoor work all eat more — count them as a full adult and then some.
The mistake almost everyone makes
Buying a year of wheat berries when your family has never eaten one. A pantry of unfamiliar ingredients is a pantry you will not touch, and it will quietly age out. The people who actually succeed at this build the store out of what they already cook — then learn to use the harder staples before they need them.
The related failure is treating this as one purchase. The cost line above is real money. Adding one category per month spreads it out, lets you catch sales, and gives you time to find out whether you like the food.
Shelf life is not uniform — rotate accordingly
Grains, legumes, sugar and salt kept dry and sealed are effectively a decades-long purchase. Fats and oils are the outlier at roughly two years, and they are also the thing you cannot easily do without. That single line is what turns food storage from a one-time project into an ongoing rotation habit.
Powdered dairy sits in the middle at around twenty years sealed, and it is the most expensive category per pound by a wide margin — usually the line people build up last.
Buckets, space and the reality of storing it
A food-grade five-gallon bucket holds roughly 37 lb of wheat, 35 lb of beans or sugar, and 30 lb of powdered milk. The bucket count above assumes mylar liners with oxygen absorbers inside the bucket — plain buckets alone do not get you the shelf lives in the table.
The floor space figure assumes stacking three high, which is about the limit before the bottom buckets start to deform. Store off concrete on pallets or boards, somewhere that stays cool and dark: every 18°F of extra heat roughly halves shelf life, so a garage in a hot climate is close to the worst place you could pick.
Water is the part people underestimate
The standard planning figure is one gallon per person per day for drinking and basic hygiene, and it applies to children at the same rate as adults — which is why the water line uses head count, not adult equivalents. Two weeks is the common baseline. Storing a year of water is impractical for most households; past a couple of weeks the answer is a filter and a resupply plan, not more jugs.
What this list deliberately leaves out
Not included: home-canned produce, meat, and the eggs from your own flock. Those are the parts that make stored food into actual meals, and they come off your homestead rather than out of a bucket. If you are already canning, the tomato canning calculator works out that side of the pantry, and the flock size calculator covers eggs.
Also missing: vitamins, coffee, spices, and anything that makes food taste like food. Nutritionally optional, practically not.