Electrical Calculator

V = I × R
Voltage: 0.00 V

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I = V ÷ R
Current: 0.00 A

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R = V ÷ I
Resistance: 0.00 Ω

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P = V × I
Power: 0.00 W

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V = P ÷ I
Voltage: 0.00 V

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I = P ÷ V
Current: 0.00 A

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Rtotal = R₁ + R₂
Total Resistance: 0.00 Ω

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Vout = Vin × (R₂ ÷ (R₁ + R₂))
Output Voltage: 0.00 V

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R = (Vs - VLED) ÷ ILED
Resistor Value: 0.00 Ω
Power Dissipation: 0.00 W

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Recommended Resistor: -

About This Electrical Calculator

The Electrical Calculator is a comprehensive tool designed for engineers, students, and hobbyists to perform various electrical calculations quickly and accurately. It features multiple calculators in one convenient interface.

Available Calculators:

  • Ohm's Law Calculator: Calculate voltage, current, or resistance using V = I × R
  • Power Law Calculator: Calculate power, voltage, or current using P = V × I
  • Resistance Calculator: Calculate total resistance for series or parallel circuits
  • Voltage Divider Calculator: Determine output voltage for divider circuits
  • LED Resistor Calculator: Find the appropriate resistor for LED circuits

Key Features:

  • Clean, modern interface with intuitive design
  • Tabbed navigation for easy access to different calculators
  • Real-time calculations with detailed results
  • Formulas displayed for educational purposes
  • Step-by-step calculation breakdowns
  • Responsive design works on all devices
  • Reset functionality for quick clearing
  • Easy sharing of results via WhatsApp

Whether you're designing circuits, troubleshooting electrical systems, or learning electronics, this tool will help streamline your calculations and improve your workflow.

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