Offline message archive size
Estimate storage for locally retained text messages.
How it is calculated
Bytes = messages per day × days × (characters per message × bytes per character + metadata bytes). Decimal MB = bytes ÷ 1,000,000.
Assumptions & limits
Excludes attachments, indexes, backups and filesystem overhead. Use the minimum retention consistent with consent, privacy and operational needs. Defaults are illustrative planning inputs, not recommended minimums or a guarantee of safety.
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.