Emergency Kit Calculator
Calculate the supplies needed for a household emergency preparedness kit including water, food, first aid, and gear based on family size and preparation duration.
Inputs
days
Results
Water Needed
11 gallons
≈ 11 milk jugs
Food Servings35 servings
First Aid Kits1
Flashlights4
Battery Packs2
Total Kit Weight121 lbs
Estimated Cost$282.00
How to Use This Calculator
- Enter Household Size, Number of Children, and Number of Pets — each person and pet adds to water and food requirements.
- Set Prepare Days (FEMA recommends at least 3 days; extended outages may require 14 days of supplies).
- Review Water Gallons needed — the standard is 1 gallon per person per day for drinking and sanitation.
- Check Food Servings, First Aid Kits, Flashlights, and Battery Packs to ensure each category is adequately stocked.
- Note Total Weight to plan storage location — keep kits accessible but consider weight limits for upper-floor storage.
- Use Estimated Cost to budget for kit assembly and schedule annual restocking of perishable items.
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