Offline-First Emergency Toolkit
Tools That Work When It Matters
All calculators run entirely in your browser — no internet required. Your data never leaves your device.
💧 Water Storage Calculator
Calculate how much water your household needs for any emergency duration.
🥫 Food Storage Calculator
Plan your food supply based on calories, dietary needs, and cooking water.
⚡ Generator Runtime Calculator
Find out how long your fuel will last based on your generator's load.
🔌 Quick Load Estimator (check items you'll run):
Estimated total load: 0 W
⛽ Evacuation Fuel Calculator
Plan your fuel needs for an emergency evacuation — including traffic and alternate routes.
💊 Medication & Supply Tracker
Track quantities, expiration dates, and get reorder alerts for critical medications and supplies.
Add Item
No items yet. Add your first medication or supply above.
🎒 Bug-Out Bag Builder
Build and weight your 72-hour emergency bag with our interactive checklist.
💰 Emergency Fund Calculator
Calculate your 3, 6, and 12-month financial safety net targets.
🐾 Pet Supply Calculator
Make sure your animals are covered in an emergency — food, water, and medications.
🎯 Skills Self-Assessment
Rate your emergency skills and get a personalized learning path.
Rate your current skill level in each area (be honest — the results are only for you).
🎮 Scenario Simulator
Tabletop emergency exercises — make decisions, see consequences, learn what to fix.
Choose a scenario and work through branching decisions. You'll get a scored debrief and a printable After Action Report at the end.
Smoke detector wakes you at 2:47 AM. Your family is asleep. You have 90 seconds.
A winter storm has knocked out power for your neighborhood. Day 1, 6 PM. It's 28°F outside.
Category 3 hurricane, mandatory evacuation ordered for your zone. You have 4 hours.
A 6.8 magnitude earthquake strikes at noon. You're at home, gas smell in kitchen.
A family member collapses. You're 45 minutes from the nearest hospital. No cell signal.