PUE Calculator: Measure Your Data Center's Power Usage Effectiveness

 

Calculator · AI Infrastructure & Data Centers

1 Energy inputs

Measurement period Instantaneous (current draw) Monthly total Annual total

Total Facility Energy

All power drawn by the facility: IT load, cooling, UPS losses, lighting, and other overhead.

IT Equipment Energy

Power delivered to servers, storage, and network gear only — not cooling or overhead.

Electricity rate, $/kWh Optional

Add a rate to estimate the annual dollar cost of overhead (non-IT) energy.

Enter values greater than zero for both fields, with Total Facility Energy at least equal to IT Equipment Energy.

2 Results

PUE

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–

DCIE

–%

1.01.21.52.02.5+

ExcellentGoodAverageNeeds work

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Est. annual overhead cost

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Overhead energy (non-IT)

–

PUE bands shown are a general industry convention consistent with common ASHRAE / Uptime Institute-style reporting practice, not an official standard. All calculations run in your browser; no inputs are stored or transmitted.