Networking & Telecom Calculators

Bandwidth, CCTV storage, fiber loss, dBm and PoE.

time · GBBandwidth & Download Time CalculatorDownload time at any speed, or monthly website bandwidth.TBSecurity Camera Storage CalculatorNVR drive size in TB from cameras and retention days.dBFiber Optic Loss CalculatorLink loss in dB and optical power budget check.dBm · mW · WdBm to Watts ConverterdBm ↔ mW ↔ W for RF, Wi-Fi and fiber.WPoE Budget CalculatorSwitch PoE budget and standard for your devices.CIDRIP Subnet CalculatorNetwork, mask, range and hosts for any CIDR.dB · dBmRF Link Budget & Path Loss CalculatorFSPL, received dBm, fade margin, Fresnel zone.B · GB · GiBData Storage ConverterGB ↔ GiB, TB ↔ TiB, bits ↔ bytes.min · VAUPS Runtime CalculatorBackup minutes and VA/W rating for a load.