Electrical Engineering Calculators
Comprehensive tools for power systems, equipment sizing, protection, and electrical safety analysis
Why These Electrical Engineering Tools Are Essential
In the complex world of electrical engineering, precision, efficiency, and adherence to industry standards are fundamental to successful project execution and safe operations. Our comprehensive suite of electrical calculators has been meticulously developed to serve as your trusted engineering companion for power systems design, equipment sizing, protection coordination, and safety analysis.
Accelerate Your Workflow
These calculators automate complex and time-consuming electrical engineering calculations that traditionally required hours of manual work. From cable sizing to arc flash analysis, our tools deliver instant, accurate results.
Engineer with Confidence
Every tool in this platform has been developed with rigorous attention to technical accuracy, referencing industry-leading standards such as IEEE, IEC, NEMA, and NEC.
Platform Benefits and User Experience
Intuitive and Accessible
The platform has been designed with a clean, modern interface that prioritizes user experience and ease of navigation. Calculators are logically organized by category—power systems, equipment, protection, and installation.
Core Power Systems Analysis
Short Circuit Current
Calculate fault currents for proper protective device sizing.
Use CalculatorSymmetrical Components
Analyze unbalanced faults using sequence components (Positive, Negative, Zero).
Use CalculatorSystem X/R Ratio
Calculate system X/R ratio for short circuit studies and breaker rating.
Use CalculatorTransmission Line Params
Compute inductance, capacitance, and ABCD constants for lines.
Use CalculatorVoltage Drop Calculator
Determine voltage drop across conductors for equipment performance.
Use CalculatorElectrical Safety & Grounding
Arc Flash Calculator
Estimate incident energy and arc flash boundary (IEEE 1584).
Use CalculatorEarthing Fault Simulator
Simulate fault conditions in various grounding systems.
Use CalculatorGrounding System Design
Design safe grounding grids to protect personnel and equipment.
Use CalculatorEarth Conductor Size
Calculate earthing conductor size for fault current dissipation.
Use CalculatorNeutral Earth Fault Current
Calculate neutral earth fault currents for grounding systems.
Use CalculatorProtection & Switchgear
Breaker Sizing & Selection
Calculate trip settings for circuit breaker protection.
Use CalculatorProtection Device Selector
Determine appropriate protection device type and rating.
Use CalculatorRelay Coordination
Determine settings for overcurrent and distance relays.
Use CalculatorEquipment Relay Setting
Calculate optimal relay settings for electrical equipment.
Use CalculatorCT Saturation Calculator
Check if your Current Transformers will saturate during faults.
Use CalculatorBusbar Short Circuit
Calculate mechanical forces and thermal stress on busbars during faults.
Use CalculatorTransformers, Motors & Drives
Transformer Calculator
Calculate turns ratio, impedance, and sizing for transformers.
Use CalculatorTransformer Inrush
Estimate magnetizing inrush current for protection setting.
Use CalculatorNEMA Motor Efficiency
Calculate motor efficiency and energy savings for induction motors.
Use CalculatorMotor Starting Current
Calculate inrush current and starting torque for electric motors.
Use CalculatorVFD Selection Tool
Select appropriate VFDs for motor control applications.
Use CalculatorCables & Busbars
Cable Sizing Calculator
Calculate cable sizes based on load current, voltage, and length.
Use CalculatorCable Ampacity Calculator
Determine current carrying capacity under various conditions.
Use CalculatorBusbar Ampacity
Calculate the current carrying capacity of copper and aluminum busbars.
Use CalculatorCable Pulling Tension
Calculate tension and sidewall pressure for cable installation.
Use CalculatorConduit Fill Calculator
Determine maximum cable capacity in conduits per NEC.
Use CalculatorSkin Depth Calculator
Calculate AC resistance and skin effect at various frequencies.
Use CalculatorPower Quality & Energy Storage
Power Factor Correction
Size capacitor banks to improve efficiency and reduce costs.
Use CalculatorHarmonic Distortion
Analyze harmonic content to mitigate equipment issues.
Use CalculatorHarmonics Analyser
Detailed analysis of voltage and current harmonics spectrum.
Use CalculatorLC Resonance Calculator
Calculate resonant frequency for tuned filters and circuits.
Use CalculatorIndustrial UPS Sizing
Size UPS systems for continuous power to critical industrial loads.
Use CalculatorBattery Sizing (AH)
Calculate battery capacity for industrial backup power systems.
Use CalculatorBattery Life Estimator
Estimate the expected lifespan of battery banks based on usage.
Use CalculatorRenewables & Facilities
Solar PV Array Sizing
Design and size solar PV arrays for residential and commercial use.
Use CalculatorHVAC Sizing Calculator
Determine HVAC requirements for electrical rooms.
Use CalculatorLighting Design Calculator
Calculate illumination requirements and circuit loads.
Use CalculatorCommunication Cable Loss
Calculates signal loss for communication cables.
Use CalculatorUnit Converter
Essential tool for quick and accurate unit conversions.
Use ConverterMaintenance Guide
Guidance for electrical equipment maintenance schedules.
Use Guide