Free Guides
Hand-picked PDFs, videos, and web resources to help you prep, build, grow, and learn — all free.
Disclaimer: These resources are compiled from official or permitted third-party sources for informational purposes only. PrepFindr does not endorse any particular source, organization, or viewpoint. The guides and videos are not a substitute for hands-on training, professional instruction, or expert advice. Always exercise your own judgment and seek qualified professionals when dealing with matters of safety, health, or legal compliance.
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PrepFindr Preparedness Calculators
Built in-house and free to use — enter your own household, climate, and gear and get real numbers, not rules of thumb.
- Water Demand & Storage CalculatorClimate-adjusted gallons per day for people, garden and livestock, plus a two-week storage target.
- Whole-Home Generator & kWh Demand CalculatorDaily kWh, critical lifeline load, generator wattage, solar kW and battery sizing.
- SHTF Essentials Power CalculatorDevice-by-device small-system math: watt-hours, surge watts, inverter, battery, panels and fuel.
- Calorie Security & Food Production CalculatorHousehold calories versus garden and livestock output — and the water it takes to run it.
- Ammunition, Magazine & Training Budget PlannerAnnual rounds, magazine reserve, ammo storage weight and training cost by platform.
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