# AI Rack Power Calculator: kW, PDU Capacity & Headroom

Canonical: https://cloudzat.com/ai-rack-power-calculator/
Markdown: https://cloudzat.com/ai-rack-power-calculator/index.md

Direct answer: Use measured or OEM server power, add network and support equipment, then test normal and single-feed failure scenarios. The rack is ready only if every surviving electrical path remains within approved capacity.

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