Apps

🗄️ Retention Projector

by TRL Systems, Inc.

Project how long your NVR storage will last based on bitrate, cameras, or real usage data.

Storage Configuration
Enter a storage capacity above to begin.
Calculation Method
Enter the total write rate for all cameras combined.
# Resolution FPS Codec Motion Hrs/Day Bitrate
Bitrate estimates are based on typical encoding values. Actual figures vary by manufacturer, scene complexity, and NVR settings. Use "Custom Mbps/cam" for precise values.
Enter how much storage has accumulated since a known date and time. The calculator derives the daily write rate and projects when the drive will fill.
Projection
📊

Enter a storage capacity and at least one input above to see your retention estimate.

Storage Fill Timeline
Storage Consumed
Effective Capacity

Need More Days?

Enter a target retention period and see what it would take to get there.