PREPARE TOGETHER. PRESERVE WHAT MATTERS.
Energy / calculator

Fuel inventory runtime

Use measured fuel consumption to estimate operating time.

How it is calculated

Hours = max(0, fuel stock − reserve) ÷ measured liters per hour. Days = hours ÷ daily operating hours.

Assumptions & limits

Fuel use depends on equipment and load. This does not assess safe fuel storage or generator placement. Combustion equipment must follow manufacturer and public-safety instructions. Defaults are illustrative planning inputs, not recommended minimums or a guarantee of safety.

All tools

Planning estimates only. Defaults are illustrative, not personalized recommendations. Do not use these calculations as medical, structural, electrical installation or other safety certification. For informational and educational purposes only. CivArk is not medical, legal, engineering or other professional advice. Verify information with qualified professionals and current local authorities. Estimates and preparedness plans cannot guarantee safety or survival.