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3 Month Emergency Food Supply: Quantities, Storage and a Rotation Plan

3 Month Emergency Food Supply: Quantities, Storage and a Rotation Plan

Ninety days of staples worked out from 2,000 calories a day, a water plan that fits a normal home, and a menu that changes from night to night.

  • Halal throughout
  • 12-week build
  • Bucket math
  • Cooking fuel

A 3 month emergency food supply sounds like a warehouse, but for one person it fits in a closet: about four buckets of rice, beans, oats and pasta, a shelf of cans and a case of peanut butter.

Ninety days covers a long winter outage, a slow recovery after a hurricane or a season of tight money. It scales up the 2-week basics in Best Emergency Foods to Buy at Your Grocery Store, and every food here is halal.

Quick answer

For one person, about 180,000 calories: 30 lb of rice, 15 lb of beans and lentils, 10 lb of oats, 8 lb each of pasta and flour, 6 jars of peanut butter, 45 cans of protein, 65 cans of fruit and vegetables, 5 lb each of milk powder and sugar, 2 quarts of oil, and 2 weeks of water.

3 Month Emergency Food Supply Per Person: The 90-Day Amounts

These are the staples that keep for months, scaled for one, two or four people. The 2-week shopping list in best emergency foods to buy at the grocery store is the place to start; this table is where it ends up after twelve weeks of small buys.

Staple1 person2 people4 people
White rice1 person30 lb2 people60 lb4 people120 lb
Dried beans and lentils1 person15 lb2 people30 lb4 people60 lb
Rolled oats1 person10 lb2 people20 lb4 people40 lb
Dried pasta1 person8 lb2 people16 lb4 people32 lb
Flour or crackers1 person8 lb2 people16 lb4 people32 lb
Cooking oil1 person2 quarts2 people1 gallon4 people2 gallons
Sugar or honey1 person5 lb2 people10 lb4 people20 lb
Salt1 person1 lb2 people2 lb4 people4 lb
Powdered milk1 person5 lb2 people10 lb4 people20 lb
Canned tuna, salmon or chicken1 person45 cans2 people90 cans4 people180 cans
Canned vegetables and tomatoes1 person40 cans2 people80 cans4 people160 cans
Canned fruit1 person25 cans2 people50 cans4 people100 cans
Peanut butter (16 oz jars)1 person6 jars2 people12 jars4 people24 jars
Spices and baking powder1 person7 jars2 people7 jars4 people14 jars
Bouillon or broth base1 person30 cups’ worth2 people60 cups’ worth4 people120 cups’ worth

The Calorie Math

The planning figure is 2,000 calories per person per day, the reference on food labels, so 90 days needs 180,000. Here is where those calories come from for one person. Figures are approximate, from standard label values.

Staple1 person, 90 daysCalories
White rice1 person, 90 days30 lbCalories49,500
Dried beans and lentils1 person, 90 days15 lbCalories24,000
Rolled oats1 person, 90 days10 lbCalories17,000
Dried pasta1 person, 90 days8 lbCalories13,440
Flour or crackers1 person, 90 days8 lbCalories13,200
Cooking oil1 person, 90 days2 quartsCalories15,440
Sugar or honey1 person, 90 days5 lbCalories8,750
Powdered milk1 person, 90 days5 lbCalories10,000
Canned tuna, salmon or chicken1 person, 90 days45 cansCalories6,300
Canned vegetables and tomatoes1 person, 90 days40 cansCalories4,000
Canned fruit1 person, 90 days25 cansCalories5,000
Peanut butter (16 oz jars)1 person, 90 days6 jarsCalories16,020
Total, per person1 person, 90 days90 daysCaloriesabout 182,600

Rice, beans, oats, pasta and flour supply about 60% of the total because they are the cheapest calories that keep. Oil and peanut butter add a lot in little space, and the cans bring protein, vitamins and variety more than bulk.

As an Amazon Associate, this site earns from qualifying purchases. Prices and availability are those shown on Amazon at the time you click.

Eighteen-pound bag of long-grain jasmine rice

Iberia Jasmine Rice, Long Grain White, 18 lb

Long-grain white rice in an 18 lb bag: two bags cover one person’s 30 lb for 90 days. Repack it into mylar before it goes into a bucket.

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Ten-pound bag of dry pinto beans

High Plains Pinto Beans, 10 lb Bag

Ten pounds of dry pinto beans, two-thirds of one person’s 15 lb of beans and lentils. Sealed in mylar, dried beans keep for years.

4.6 (253)$$
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Jar of whole milk powder

Hoosier Hill Farm Whole Milk Powder, 1 lb

Whole milk powder for oats, pancakes and drinks. Its fat shortens storage compared with nonfat, so rotate it into everyday baking.

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Water for 90 Days: Store 2 Weeks, Plan for the Rest

Ready.gov’s figure is 1 gallon per person per day. Over 90 days that adds up to more than most homes can hold, so the realistic plan is two weeks stored, plus treatment and a refill routine. The hub guide to the best emergency foods covers the 2-week water basics.

Household2 weeks stored90 days at 1 gallonWeight of 90 days
1 person2 weeks stored14 gallons90 days at 1 gallon90 gallonsWeight of 90 daysabout 750 lb
2 people2 weeks stored28 gallons90 days at 1 gallon180 gallonsWeight of 90 daysabout 1,500 lb
4 people2 weeks stored56 gallons90 days at 1 gallon360 gallonsWeight of 90 daysabout 3,000 lb

Keep 2 weeks in sealed bottles or clean food-grade containers, refilled every 6 months. When the taps run and there is no boil-water notice, refill. When there is one, or the water comes from rain barrels or another source, treat it first:

  • Boil: A rolling boil for 1 minute (3 minutes above 6,500 feet), then cool covered.
  • Unscented bleach: For 6% bleach, 8 drops per gallon; for 8.25%, 6 drops. Stir and wait 30 minutes.
  • Tablets or a filter: Follow the packet or the maker; many portable filters do not remove viruses, so disinfect as well.

The full routine, from containers to rotation, is in how to store water for emergencies. Once the taps are safe again, one of these countertop water filter systems improves everyday drinking water.

Stainless steel water storage can with a spigot and latching lid

Stainless Steel Milk Can with Spigot

A stainless can with a tap and a latching lid, in sizes up to about 20 gallons. Fill it where it will stay: water weighs 8.3 lb a gallon.

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Storing 3 Months of Food: Buckets, Mylar and a Cool Shelf

Cans and jars go straight onto shelves. The dry staples need protecting from air, damp, light and pests, and four habits do almost all the work. The method in detail is in long term food storage.

Food-grade buckets

Five-gallon buckets with tight lids keep out pests, light and damp. Gamma lids screw on and off, so a bucket in use stays sealed between meals.

Mylar bags with oxygen absorbers

Fill a bag, drop in an absorber, press out the air and iron the top shut. For dry, low-fat foods only: rice, beans, oats, pasta and flour.

A cool, dark place

Heat shortens shelf life fastest. A closet, a basement shelf or the space under a bed beats a garage; keep buckets off concrete floors.

What not to seal

Skip absorbers for sugar and salt, which keep on their own and can harden. Brown rice, nuts and whole wheat flour are too oily for long storage.

How Many Buckets?

Roughly how much fits in one 5-gallon bucket, and how many buckets each household needs, rounded up to the half bucket. Two half-full staples can share a bucket in separate mylar bags.

StapleOne bucket holds1 person2 people4 people
White riceOne bucket holdsabout 32 lb1 person12 people24 people4
Dried beans and lentilsOne bucket holdsabout 30 lb1 person½2 people14 people2
Rolled oatsOne bucket holdsabout 14 lb1 person12 people1½4 people3
Dried pastaOne bucket holdsabout 16 lb1 person½2 people14 people2
FlourOne bucket holdsabout 24 lb1 person½2 people14 people1½
SugarOne bucket holdsabout 33 lb1 person½2 people½4 people1
Total bucketsOne bucket holdsrounded up1 personabout 42 peopleabout 74 peopleabout 14

For smaller batches or opened bags, a sealer from this roundup of vacuum sealers works well, and these mylar bags for long-term food storage compare sizes and thicknesses.

Food-grade 5-gallon buckets with screw-on gamma seal lids

ePackageSupply 5-Gallon Food-Grade Buckets with Gamma Seal Lids (6-Pack)

Six food-grade buckets with screw-on gamma lids that open and reseal without a tool. A family of four needs a little over two packs.

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One-gallon mylar food storage bags with oxygen absorber packets

Home Sensei 1-Gallon Mylar Bags with Oxygen Absorbers (30 Pack)

Thirty 1-gallon bags with oxygen absorbers and labels. About four filled bags stand in one bucket; seal them with a hot iron.

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The 12-Week Build Plan: A Little Each Week

Nobody needs to buy three months of food in one trip. This calendar adds a few items each week, per person, so the cost spreads out and the household is better covered every week. Multiply the amounts for two or four people. Tap a month.

Month 1: Weeks 1 to 4

1 Week 1

  • 14 gallons of water (2 weeks)
  • A manual can opener
  • 10 cans of tuna, salmon or chicken
  • 2 jars of peanut butter

No-cook basics and two weeks of water come first.

Food on hand: about 3 days

2 Week 2

  • 10 cans of tuna, salmon or chicken
  • 10 cans of vegetables and tomatoes
  • 6 cans of fruit
  • 2 lb of flour or crackers

Food on hand: about 6 days

3 Week 3

  • 10 lb of white rice
  • 1 lb of salt
  • Spices and baking powder
  • Bouillon or broth base
  • 1 quart of cooking oil

Food on hand: about 18 days

4 Week 4

  • 5 lb of dried beans and lentils
  • 10 cans of vegetables and tomatoes
  • 2 jars of peanut butter

Food on hand: about 26 days

Month 2: Weeks 5 to 8

5 Week 5

  • 5 lb of rolled oats
  • 2 lb of powdered milk
  • 3 lb of sugar or honey

Food on hand: about 34 days

6 Week 6

  • Food-grade buckets and lids
  • Mylar bags and oxygen absorbers

No food this week: pack weeks 3 to 5 into mylar and buckets.

Food on hand: about 34 days

7 Week 7

  • 10 lb of white rice
  • 10 cans of tuna, salmon or chicken
  • 6 cans of fruit

Food on hand: about 44 days

8 Week 8

  • 4 lb of dried pasta
  • 3 lb of flour or crackers
  • 10 cans of vegetables and tomatoes

Food on hand: about 50 days

Month 3: Weeks 9 to 12

9 Week 9

  • 5 lb of dried beans and lentils
  • 5 lb of rolled oats
  • 1 quart of cooking oil

Food on hand: about 62 days

10 Week 10

  • 10 lb of white rice
  • 3 lb of powdered milk
  • 2 lb of sugar or honey
  • 2 jars of peanut butter

Food on hand: about 78 days

11 Week 11

  • 15 cans of tuna, salmon or chicken
  • 7 cans of fruit
  • 4 lb of dried pasta

Food on hand: about 83 days

12 Week 12

  • 5 lb of dried beans and lentils
  • 3 lb of flour or crackers
  • 10 cans of vegetables and tomatoes
  • 6 cans of fruit

Label every bucket and can, then do the first full count.

Food on hand: about 91 days

By week 12 the shelves hold the full 90-day amounts above, about 182,600 calories per person.

The Rotation Calendar: Keep 90 Days Fresh

Split the supply in two. Cans, peanut butter, oil, flour and crackers sit in a fast lane: cook from them every week and replace them on the next shop. Sealed buckets sit in a slow lane, checked twice a year and opened once a year.

Month 1

Cook from the cans and pantry staples once a week; replace them on the next shop.

Month 2

Same weekly rhythm. Check the water containers for leaks or cloudiness.

Month 3

First full count against the quantities table; note anything short.

Month 4

Use and replace the oldest peanut butter and crackers.

Month 5

Use and replace the oil and flour, the quickest to go stale.

Month 6

Six-month check: replace stored tap water, inspect every can, update the dates.

Month 7

Restock spices and broth base; they lose flavor before they spoil.

Month 8

Use and replace the oldest canned fruit and tomatoes, the shortest-lived cans.

Month 9

Count again and top up anything the household ate through.

Month 10

Check the buckets: lids tight, no pests, no damp, kept off the floor.

Month 11

Use and replace the powdered milk and the oats kept in the pantry.

Month 12

Yearly: open one sealed bucket, cook from it, reseal with fresh absorbers, and replace the water.

Canned goods in good condition stay safe past the best-by date, which marks quality, not safety. Throw out any can that bulges, leaks, spurts when opened, or is rusted or deeply dented on a seam.

Cooking Fuel for 90 Days: Why Propane Wins

Small butane canisters are perfect for a short outage. At 90 days the numbers change: a family of four cooking two hot meals a day uses roughly one canister a day, so a season needs about 90. Rough equivalents:

FuelEnergy, roughlyFor 90 days, family of four
8 oz butane canisterEnergy, roughlyAbout 1 a day for fourFor 90 days, family of fourAbout 90 canisters (23 four-packs)
1 lb propane cylinderEnergy, roughlyRoughly 2 canisters’ worthFor 90 days, family of fourAbout 45 cylinders
20 lb propane tankEnergy, roughlyRoughly 40 canisters’ worthFor 90 days, family of four2 to 3 tanks

A propane grill with a side burner, run from two or three spare 20-lb tanks, holds about the same cooking energy as those 90 canisters. Keep spare tanks outdoors, upright and away from the house, never in a garage or basement. How to cook without electricity covers grills, camp stoves and safe setups.

Never indoors. Grills, camp stoves, charcoal and generators give off carbon monoxide, which has no smell and builds up fast in a house, garage, tent or enclosed porch. Cook outdoors, away from doors, windows and vents, and keep a battery-powered carbon monoxide alarm inside.

Gas One portable dual fuel camping stove with its carrying case

Gas One GS-3400P Dual Fuel Portable Camping Stove

A camp stove that runs on butane or, with its regulator, 1 lb propane cylinders: handy for the first weeks and quick boils. Outdoors only.

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Four 8 oz butane fuel canisters for a portable camp stove

Chef Master Butane Fuel Canisters, 8 oz (4-Pack)

Four 8 oz canisters for short outages and the first days. Over 90 days a family of four would need about 90, which is where propane wins.

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3 Month Emergency Food Supply: FAQ

How much food do I need for 3 months for one person?

About 180,000 calories, 2,000 a day for 90 days: roughly 30 lb of rice, 15 lb of beans and lentils, 10 lb of oats, 8 lb each of pasta and flour, 6 jars of peanut butter, 45 cans of protein and 65 cans of fruit and vegetables, plus milk powder, oil and sugar.

How much rice do you need for 3 months?

About 30 lb per person, a third of a pound a day: a little under a cup of dry rice, which cooks to about 2½ cups. A family of four needs about 120 lb, which fills roughly four 5-gallon buckets.

How much water do you need for a 3 month emergency supply?

At 1 gallon per person per day, 90 gallons each and 360 for a family of four, which weighs about 3,000 lb. Most homes store 2 weeks of water and plan to treat and refill the rest.

How much space does a 3 month food supply take?

For one person, about 4 five-gallon buckets of dry staples plus a shelf of 110 cans and 6 jars. A family of four needs about 14 buckets, 440 cans and 24 jars: one wall of a closet or a set of garage-free shelves.

What foods last the longest in a 3 month supply?

White rice, dried beans and lentils, oats, pasta, sugar, salt and honey keep for years sealed and dry. Canned goods keep 1 to 5 years. Oil, peanut butter, crackers and flour need rotating within about a year.

How do you build a 3 month food supply slowly?

Buy a little each week. The 12-week plan above adds water and no-cook food first, then rice, beans, oats and pasta, with one week for buckets and mylar. Amounts are per person; multiply by the household.

How do you rotate a 90 day food supply?

Split it in two: cans, peanut butter, oil, flour and crackers get cooked from weekly and replaced, while sealed buckets are checked twice a year and opened, cooked from and resealed once a year.

Is a 3 month supply of emergency food too much?

Ready.gov asks for at least several days and 2 weeks at home where possible, so 3 months is a generous buffer. It also covers a long recovery or a stretch of tight money. Build the 2-week supply first.

What is the best way to store a 3 month food supply?

Dry staples go into mylar bags with oxygen absorbers inside food-grade buckets with tight lids; cans and jars go on shelves. Keep everything cool, dry and dark, off the floor and away from the stove.

How many 5-gallon buckets do I need for 3 months of food?

Roughly 4 per person for the rice, beans, oats, pasta, flour and sugar: about 7 for two people and 14 for four. Cans, jars, oil and milk powder stay on shelves in their own packaging.

Can you cook a 3 month food supply without power?

Yes, outdoors only. At this length a propane grill with a side burner and 2 or 3 spare 20-lb tanks beats small butane canisters, which run to about 90 for a family of four. Never cook with any fuel indoors.

How do you keep 3 months of emergency food from getting boring?

Repeat a 2-week menu with swaps: change the spice blend, alternate rice, pasta and flatbread, rotate beans, lentils and canned fish, and save pancakes and rice pudding for weekends.

Should a 3 month supply include freeze-dried food?

It is optional. Freeze-dried pouches keep for decades and cook fast, but usually cost more per calorie and need boiling water. Grocery staples cover 3 months well; a small kit can back them up.

Keep Building the Supply

The 2-week list, storage and water in depth, cooking without power, and pots that rotate the staples.

Back to the full list: Best Emergency Foods to Buy at Your Grocery Store

A 3 month emergency food supply starts with the same 25 staples. New to this? Begin with the emergency food supply list, two weeks for a family of four, then build from there.

Back to the Full List →

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