Preparing with Dan
Emergency Supply Calculator
Build a tailored supply checklist for your household in under 30 seconds. Adjust the numbers, pick your scenario and climate, and print a ready-to-pack list.
Your Household
Your Personalised Plan
Water
Baseline: ~1 gallon per person per day for drinking, cooking and basic sanitation. Hot or arid climates increase need.
Food
Focus on non-perishable, low-prep foods: canned proteins, peanut butter, rice, oats, energy bars, dried fruit, comfort items.
First Aid
Hygiene & Sanitation
Power & Lighting
Scenario-Specific Items
Climate Add-Ons
Get the free printable checklists
Don’t stop at supplies. Print the family emergency contact card, the costed 72-hour kit checklist and the first-hour winter outage sheet: one page each, free, no email required.
Built for PreparingWithDan.com · This calculator provides general guidance, not professional emergency advice.
Link to this calculator
Schools, community groups and bloggers are welcome to link to or recommend this tool. Copy and paste:
<p>Free emergency supply calculator (water, food and essentials for your household and number of days): <a href="https://preparingwithdan.com/free-emergency-preparedness-tool/">preparingwithdan.com/free-emergency-preparedness-tool</a></p>
Companion downloads: free printable checklists · the numbers it is built on: emergency preparedness statistics.