AI Data Center Power Calculator
Translate server or GPU assumptions into IT load, facility demand and an energy scenario. Full-system power and chip-only power are different inputs.
Explore resource →Free tools
Electrical calculators. Transparent assumptions.
Practical arithmetic for early-stage research. Each tool includes units, worked examples and limits.
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Transformer Sizing Calculator
Estimate a load-side kVA requirement and compare it with your own proposed transformer rating. No universal “standard size” or automatic derating is assumed.
Explore resource →kVA to Amps Calculator
Convert apparent power to current for single-phase or balanced three-phase AC systems.
Explore resource →kW to kVA Calculator
Convert electrical input real power to apparent power using the load power factor.
Explore resource →Transformer Fault Current Calculator
Explore the symmetrical three-phase terminal-fault estimate with an infinite primary supply.
Explore resource →UPS Battery Energy & Runtime Estimator
Estimate an energy-balance runtime from usable battery energy and conversion efficiency.
Explore resource →Electricity Cost Calculator
Model annual consumption and energy-only cost using your own load profile and tariff.
Explore resource →PUE Calculator
Calculate energy-based power usage effectiveness over a consistent measurement period and boundary.
Explore resource →DC Cable Voltage Drop Calculator
Estimate resistive voltage drop with a manufacturer-provided conductor resistance. This tool is deliberately limited to DC.
Explore resource →Generator Steady-State Load Calculator
Calculate a steady-state kW/kVA envelope before consulting a generator manufacturer’s transient sizing tool.
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Which tool should I use?
Planning AI infrastructure?
Start with system-level IT watts, then use a planning PUE for facility demand. Use the capacity sandbox to compare N, N+1 and 2N arithmetic.
Open the AI planning hub →Checking a transformer calculation?
Keep kW, kVA, rated current and terminal fault estimates separate. Each answers a different question.
Read the transformer guide →