Preparedness Tools

Free survival calculators and tools: supply calculator, water needs estimator, go-bag builder, and shelf life tracker.

• Emergency Supply Calculator — Calculate exactly how much food, water, and supplies your family needs for any emergency duration. Personalized recommendations.
• Water Storage Calculator — Calculate your family's emergency water needs based on household size, climate, and duration. Get personalized storage recommendations.
• Go-Bag Builder — Build the perfect emergency go-bag for your family. Customized packing lists based on your location, climate, and family needs.
• Shelf Life Estimator — Estimate how long your emergency food supplies will last. Get storage tips and rotation schedules for maximum shelf life.
• Risk by ZIP: Your Local Hazard Readiness Plan — Enter your ZIP or postal code to identify local hazards, active alerts, seasonal risks, and get a personalized emergency plan with tools and guides.