Tools & Calculators

These interactive tools help you plan, pack, and stay ready. We'll keep adding more utilities as we publish new guides.

Water Needs Calculator

Determine exactly how much water each person in your group needs for 72 hours based on age, activity level, and climate.

Plan a balanced pack by tracking gear categories, target weights, and total load so you can stay mobile when it matters.

Inventory your pantry, estimate days of coverage, surface nutrient bottlenecks, and build a rotation plan tailored to your household.