Food Storage Calculator

Calculate your family's emergency food supply for any disaster scenario. Be prepared with the right amount of food and water.

3-Day Emergency
1-Week Supply
30-Day Supply
3-Month Supply
1-Year Supply
Custom
How many days of food supply do you want to calculate?
Select the diet type for your household

Add the number of people in each age group. Children and elderly may have different nutritional requirements.

Adults (18-60)
Adults typically need 2,000-2,500 calories per day
Teens (13-17)
Teens typically need 2,000-3,000 calories per day
Children (5-12)
Children typically need 1,200-2,000 calories per day
Toddlers (1-4)
Toddlers typically need 1,000-1,400 calories per day
Infants (0-1)
Infants need formula or breast milk, not regular food
Seniors (60+)
Seniors typically need 1,600-2,200 calories per day
Calculating your food storage needs...

Emergency Food Storage Guidelines

Proper food storage is essential for emergency preparedness. Whether preparing for natural disasters, power outages, or other emergencies, having an adequate food supply can provide security and peace of mind.

Basic Principles of Food Storage:

  • Store at least a 3-day supply of non-perishable food for emergencies
  • Aim for a 2-week supply for more comprehensive preparedness
  • Consider a 30-day to 1-year supply for serious disaster planning
  • Include foods that require no refrigeration, minimal preparation, and little to no water

Recommended Storage Times

Food Item Shelf Life (Unopened) Storage Tips
White rice 30+ years Store in airtight containers with oxygen absorbers
Dried beans 30+ years Store in cool, dry place in airtight containers
Pasta 30 years Keep in original packaging or airtight containers
Canned meats 2-5 years Rotate regularly, check for dents or damage
Powdered milk 20 years Store in cool, dry place; reseal after opening
Honey Indefinitely Store at room temperature; may crystallize but still edible
Freeze-dried foods 25+ years Store in original packaging in cool, dry location

Water Storage Guidelines

1

Amount: Store at least 1 gallon of water per person per day for drinking and sanitation. A 2-week supply for a family of four would be 56 gallons.

2

Storage Containers: Use food-grade water storage containers. Avoid containers that previously held milk or juice as they can harbor bacteria.

3

Water Treatment: If storing tap water, replace every 6 months. For longer storage, consider water treatment tablets or bleach (8 drops per gallon).

Emergency Scenarios & Preparation Levels

72-Hour Emergency Kit

For: Evacuations, short-term power outages

Includes: Ready-to-eat foods, energy bars, water pouches

2-Week Home Supply

For: Extended power outages, severe weather

Includes: Canned goods, basic staples, cooking fuel

1-Month Preparedness

For: Natural disasters, economic disruptions

Includes: Bulk grains, legumes, preserved foods

Long-Term Storage (3+ months)

For: Severe economic collapse, pandemics

Includes: Freeze-dried foods, bulk storage, gardening supplies

Important Considerations:

  • Consider dietary restrictions and food allergies
  • Include comfort foods to maintain morale
  • Don't forget infant formula, pet food, and special medical diets
  • Practice cooking with your emergency foods before an actual emergency
  • Rotate your stock regularly using the "first in, first out" method

Frequently Asked Questions

The general recommendation is 1 gallon per person per day. This accounts for both drinking (about ½ gallon) and sanitation needs (washing, cleaning). In hot climates or for people with special needs, you may want to store 1.5-2 gallons per person per day.

Foods with the longest shelf lives include white rice, dried beans, pasta, honey, salt, sugar (in airtight containers), hardtack, and commercially canned goods. Properly stored freeze-dried foods can last 25+ years. Always check expiration dates and rotate your stock.

Use airtight containers made of glass, metal, or thick plastic. For bulk items like grains and beans, consider food-grade buckets with gamma seals. Use oxygen absorbers for long-term storage of dry goods. Store food off the floor and away from walls in a cool, dry place. Regularly inspect for signs of pests.

This calculator allows you to select different diet types (vegetarian, vegan, gluten-free, etc.). However, you should always customize based on your specific needs. For medical dietary restrictions (diabetes, food allergies, etc.), consult with a healthcare professional and ensure you store appropriate alternatives and necessary medications.

Practice "first in, first out" rotation. Use and replace items before they expire. Check your supply every 6 months. Replace water every 6 months unless treated for longer storage. Use expiration dates as guidelines, but many properly stored foods remain safe and nutritious well beyond their "best by" dates.