Topic

Infrastructure tools

Power, UPS runtime, SLA, and bandwidth/transfer calculators. 8 free tools, browser-based, no sign-up.

No sign-up No tracking 8 tools

All infrastructure tools

Data Size Converter

Convert between bits, bytes, KB, MB, GB, TB, PB and their binary equivalents (KiB, MiB, GiB). Instant browser-side conversion with common size presets.

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Network Speed Converter

Convert between Mbps, Gbps, MB/s, GB/s and all common network and storage throughput units. Common interface presets for USB, Ethernet, Wi-Fi, NVMe, and more.

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Network Transfer Time Calculator

Enter a file size and link speed to see how long a transfer will take. Includes real-world estimates for wired and Wi-Fi connections.

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Rack Unit & Weight Planner

Plan a rack layout — track U space used, total weight against rack load rating, and catch mixed front-to-back/side-to-side airflow before it becomes a heat problem.

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SLA Uptime Calculator

Calculate allowed downtime from any SLA percentage. See downtime per year, month, week, day, and hour for any availability target.

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Server & Homelab Power Cost Calculator

Add up your server, rack, and homelab gear, set your electricity rate, and see the real daily, monthly, and yearly cost of running it 24/7.

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UPS Runtime Calculator

Enter your UPS battery capacity and connected load to see estimated runtime. Pick from common UPS models and devices for instant results.

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VM & Container Sizing Planner

Plan VM or container sizing against real host capacity — vCPU:pCPU overcommit ratio, RAM allocation, and how much headroom is left before you add the next guest.

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