CoverageOS
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CCTV calculators that feel consistent with the rest of the product.

These tools answer focused planning questions quickly, while the full planner handles the spatial and proposal side of the job.

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No sign-up required

Focused answers for everyday planning questions

Designed to complement the full planner workflow

Use the calculators independently for quick checks. When the project needs map context, layers, AI suggestions, routing, and reports, move into CoverageOS itself.

FOV / DORI

Field of View and DORI Calculator

Calculate viewing angles, DORI distances, pixel density, and blind spots from lens, sensor, and resolution choices.

Storage

Storage and HDD Calculator

Estimate retention, bandwidth, and surveillance disk requirements from camera count, codec, and recording assumptions.

Power

UPS Battery Calculator

Size backup runtime, battery capacity, and VA requirements for NVR, switch, and camera loads.

Density

Pixel Density Calculator

Check whether a camera setup meets observation and identification targets at a real-world distance.

Quantity

Camera Quantity Estimator

Estimate how many cameras a site might need from area, entry points, and required coverage level.

Optics

Lens Selector Tool

Compare focal lengths against mounting height and target distance to narrow down lens decisions faster.

CoverageOS

Professional CCTV planning without the desktop-software feel.

CoverageOS helps anyone planning a CCTV layout turn real map context into clearer coverage, faster iteration, and exports you can archive or share.

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Product

  • Platform guide
  • Calculators
  • Create your system
  • FAQ

Access

  • Sign in
  • Create account
  • Guest planner
  • Preview mode

Workflow

  • Map-based camera layouts
  • Live DORI and blind-spot checks
  • Cable routes and material planning
  • Print-ready PDF exports

© 2026 CoverageOS

Planning workspace for CCTV layouts, coverage analysis, and exports.