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Electrical Engineering Tools

Explore 19 free Electrical engineering tools for voltage, current, power, resistance, AC circuits and electrical quantities. The collection is organized for students, technicians and electrical engineers and focuses on solving common circuit and electrical calculations.

What you can do with Electrical Engineering tools

Students, technicians and electrical engineers can use these tools from their dedicated pages. Each tool includes its purpose, instructions, result guidance and links to closely related utilities.

Choose a tool by name or filter the category. For calculations, verify units and assumptions before relying on the result. For text, document, web and diagnostic tools, review generated output before using it in production, publication or formal decisions.

19 free toolsDedicated pagesMobile friendlyNo registration required
Browse by level
Levels are discovery guides, not formal academic classifications.

Calculators & Analysis

19 tools
Electrical EngineeringIntermediate

Battery Energy

Calculate battery energy using the requested values and standard formulas.

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Electrical EngineeringBasic

Battery Runtime Estimate

Calculate battery runtime estimate from the values you enter.

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Electrical EngineeringIntermediate

Capacitive Reactance

Calculate capacitive reactance using the requested values and standard formulas.

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Electrical EngineeringIntermediate

Parallel Capacitance

Calculate parallel capacitance using the requested values and standard formulas.

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Electrical EngineeringIntermediate

Series Capacitance 2

Calculate series capacitance 2 using the requested values and standard formulas.

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Electrical EngineeringIntermediate

Inductive Reactance

Calculate inductive reactance using the requested values and standard formulas.

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Electrical EngineeringIntermediate

Induction Motor Slip

Calculate induction motor slip from the values you enter.

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Electrical EngineeringBasic

Motor Synchronous Speed

Calculate motor synchronous speed from the values you enter.

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Electrical EngineeringIntermediate

Power Factor Correction kVAr

Calculate power factor correction kvar from the values you enter.

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Electrical EngineeringIntermediate

Parallel Resistance 2

Calculate parallel resistance 2 using the requested values and standard formulas.

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Electrical EngineeringIntermediate

Series Resistance

Calculate series resistance using the requested values and standard formulas.

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Electrical EngineeringIntermediate

LC Resonant Frequency

Calculate lc resonant frequency using the requested values and standard formulas.

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Electrical EngineeringIntermediate

Three-Phase Current

Calculate three-phase current from the values you enter.

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Electrical EngineeringIntermediate

Three-phase Power

Calculate three-phase power using the requested values and standard formulas.

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Electrical EngineeringIntermediate

Transformer Full-Load Current

Calculate transformer full-load current from the values you enter.

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Electrical EngineeringBasic

Transformer Voltage Ratio

Calculate transformer voltage ratio using the requested values and standard formulas.

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Electrical EngineeringBasic

Voltage Divider

Calculate voltage divider using the requested values and standard formulas.

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Electrical EngineeringBasic

DC Voltage Drop

Calculate dc voltage drop from the values you enter.

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Electrical EngineeringBasic

DC Voltage Drop

Calculate dc voltage drop using the requested values and standard formulas.

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