Electrical Calculator
Calculate voltage, current, power, resistance, and wire sizing for electrical projects.
Calculation Results
Enter values to calculate electrical parameters.
How to Use the Electrical Calculator
This tool helps you solve common electrical calculations:
- Select Calculation Type: Choose between Ohm's Law, Wire Sizing, or Voltage Drop
- Enter Known Values: Input available parameters
- Calculate: Get missing values and recommendations
Electrical Formulas Used
- Ohm's Law: V = I × R
- Power Formula: P = V × I
- Wire Sizing: Based on NEC ampacity tables
- Voltage Drop: Vdrop = 2 × I × R × L / 1000
Why Calculate Electrical Parameters?
- ✅ Safety: Prevent circuit overloads
- ✅ Efficiency: Optimize electrical systems
- ✅ Code Compliance: Meet NEC requirements
