Engineering Calculators & Tools

Professional-grade calculators for transformer sizing, performance analysis, and market intelligence — built for power engineers.

Sizing & Selection

kVA Calculator

Determine transformer size from voltage, current, or active power load.

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Sizing Advisor

Interactive wizard that recommends the right ETS transformer for your application.

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Cable Sizing

Calculate cable cross-section based on current, length, and material.

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Performance & Cost

Loss & Efficiency

Copper losses, iron losses, and overall transformer efficiency.

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Total Cost of Ownership

Compare purchase cost vs. energy losses over the transformer lifetime.

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Voltage Drop

Calculate voltage loss across cable runs under load.

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Overload Capacity

Thermal overload capability based on IEC 60076-7.

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Quick Utilities

Short Circuit

Calculate short-circuit current (Ik) from transformer impedance.

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Unit Converter

kVA↔kW, °C↔°F, mm²↔AWG, and more engineering conversions.

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Tap Changer Range

Calculate voltage regulation range from tap positions.

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Oil Volume

Estimate transformer oil requirement by kVA rating.

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Currency Converter

Convert USD to 20+ global currencies with live exchange rates for international procurement.

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Market Intelligence

Commodity Prices

Live LME metal prices & specialty material tracking for transformer procurement.

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Material Cost Estimator

Estimate raw material cost proportion per transformer.

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CO₂ Savings

Calculate emission savings from switching to high-efficiency transformers.

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Need a Custom Calculation?

Our engineering team can help with complex sizing, loss evaluation, and system studies.

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