Engineering tools

IT Tools

Server-verified calculations for infrastructure planning — capacity, IP space and time. No fake math, no spreadsheet gymnastics, no downloads required.

Storage

RAID Calculator

Raw vs usable capacity, parity overhead, fault tolerance and rebuild guidance for RAID 0/1/5/6/10.

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Network

Subnet Calculator

CIDR decomposition: network, broadcast, first/last usable host, netmask, wildcard and host count.

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IPv6 Calculator

Expand IPv6 CIDRs with exact BigInt math — prefix, last address, host count and allocation scope.

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Operations

Transfer Time Estimator

How long will that dataset take over 100 Mbps, 1 GbE, 10 GbE or your uplink? Across decimal and binary units.

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UPS Runtime Calculator

Battery V × Ah × strings vs load with DoD and inverter efficiency — minutes of backup you can actually bank on.

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