Welcome to the Alarming USA Tools Center, your resource for security calculators, home security assessments, and technical planning tools.

Whether you’re a homeowner looking to improve your property’s security or a professional designing surveillance, alarm, and access control systems, our tools help you plan, calculate, and make informed decisions.

Home Security Tools

Home Security Assessment

Evaluate your home’s security with our interactive assessment. Answer questions about your property’s security measures and receive personalized recommendations to help identify areas for improvement.

Key Features

  • 30-question home security assessment
  • Covers doors, windows, lighting, alarms, cameras, fire safety, and household preparedness
  • Personalized security score
  • Category-by-category results
  • Recommended security improvements
  • Printable assessment report

Start Home Security Assessment →

Security Camera & Network Tools

CCTV Storage & Bandwidth Calculator

Estimate the storage capacity, network bandwidth, and recording retention requirements for your video surveillance system.

Key Features

  • Multiple camera groups and recording configurations
  • Continuous and motion-based recording estimates
  • Storage and bandwidth calculations
  • Hard drive capacity planning
  • Professional PDF reports

Launch CCTV Storage Calculator →

PoE Power Budget Calculator

Calculate Power over Ethernet requirements for IP cameras, wireless access points, and other PoE-powered equipment.

Key Features

  • PoE, PoE+, and PoE++ compatibility
  • Multiple device groups
  • Switch power budget calculations
  • Power reserve and port capacity estimates
  • Device compatibility checks

Launch PoE Power Budget Calculator →

Camera Field of View Calculator

Visualize camera coverage and determine viewing angles, coverage width, and pixel density based on lens specifications and installation distance.

Key Features

  • Interactive camera coverage diagram
  • Adjustable focal length and sensor dimensions
  • Horizontal field of view calculations
  • Coverage width at selected distances
  • Pixel density estimates

Launch Camera Field of View Calculator →

Access Control & Alarm System Tools

Voltage Drop Calculator

Calculate voltage loss across low-voltage wiring used for access control systems, security devices, and alarm equipment.

Key Features

  • 12V, 24V, and custom DC supply voltages
  • Copper wire sizes from 24 AWG to 10 AWG
  • One-way cable distance calculations
  • Voltage drop and percentage loss estimates
  • Device minimum-voltage warnings
  • Printable calculation results

Launch Voltage Drop Calculator →

More Security & Life Safety Tools Coming Soon

We’re continuing to expand the Alarming USA Tools Center with resources for homeowners, installers, and security professionals.

Planned Access Control Tools

  • Access Control Battery Backup Calculator
  • Door Hardware Planning Tool
  • Camera Mounting Height Calculator

Planned Fire Alarm & Life Safety Tools

  • Fire Alarm Battery Calculator
  • Notification Appliance Circuit Voltage Drop Calculator
  • Fire Alarm Inspection Checklist

Planned Home Security Tools

  • Home Security System Planning Checklist
  • Security Camera Placement Planner

Bookmark this page and check back as new tools become available.

Alarming USA — Smarter Security for a Safer Tomorrow.

Important: Calculator results and assessments are intended for informational and planning purposes. Verify equipment specifications, applicable codes, and installation requirements before making final design decisions.