CCTV & Networking Calculators

IPv4 Subnet Calculator

Find the network address, broadcast address and usable host range for an IP address and subnet mask.

CIDR Calculator

Find subnet details from a single CIDR block like 192.168.1.0/24.

CCTV Storage Calculator

Estimate how much storage an NVR/DVR needs for a given camera count, bitrate and retention period.

IP Subnet Calculator

Find the number of usable hosts and total addresses for a given CIDR prefix.

Camera Field of View Calculator

Find a camera's horizontal field of view from its sensor width and lens focal length.

IPv6 Address Calculator

Expand a shorthand IPv6 address to its full form, or compress it to canonical shorthand.

CCTV Camera Coverage Calculator

Estimate how many cameras are needed to cover a given area.

NVR Retention Days Calculator

Find how many days of footage a given amount of NVR/DVR storage will hold.

Network Bandwidth Calculator

Find the total network bandwidth needed to stream multiple cameras or devices simultaneously.

PoE Power Budget Calculator

Check whether a PoE switch's power budget can support all connected devices.

Wi-Fi Signal Loss (FSPL) Calculator

Estimate free-space path loss for a wireless link at a given distance and frequency.

PoE Cable Voltage Drop Calculator

Estimate voltage drop across a PoE/Ethernet cable run for a given wire gauge, current and length.

Fiber Optic Latency Calculator

Estimate the one-way propagation delay of a fiber optic link from its distance.