Estimate how much recording storage your CCTV / NVR setup needs. Enter your camera count, resolution and retention period — the calculator uses the industry-standard bitrate model (1 Mbps ≈ 0.45 GB/hour) and adds 10% headroom.
Number of cameras
Resolution
Codec
Bitrate override (Mbps) — optional, most accurate
Recording hours/day
Retention (days)
Recording density (motion vs continuous)
100%
100% = continuous recording · ~40% = typical motion-triggered recording.
Total storage required (incl. 10% headroom)
11.4 TB
≈ 10,368 GB raw
Bitrate used
4 Mbps
Per camera / day
43.2 GB
Cameras
8
Suggested disk
1 × 12 TB drive
Skip the on-prem disks — ArcisAI Cloud VMS scales storage automatically with STQC-certified, India-hosted recording.
Estimates only. Actual storage varies with scene complexity, frame rate, GOP and VBR/CBR settings. For the most accurate figure, enter your camera's actual configured bitrate in the override field. Calculation: cameras × bitrate(Mbps) × 0.45 × hours/day × retention days × density, +10% headroom; 1 TB = 1000 GB (decimal).
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