欧姆定律计算器

Ohm's Law Calculator
Your ultimate tool for electrical calculations, containing 52 electrical calculators, covering formulas, circuits, and 16 electrical converters.
Ohm's Law Calculations
• Voltage Calculator
• Current Calculator
• Resistance Calculator
• Power Calculator
• Voltage Drop Calculator (compliant with NEC/IEEE standards)
• Wire Size Finder
• DC Generator Calculator
• Transformer Calculations (voltage and current)
New: Impedance Calculator
Calculate the impedance of resistors (R), inductors (L), and capacitors (C) in series and parallel configurations:
• R and L in series/parallel
• R and C in series/parallel
• L and C in series/parallel
• R, L, and C in series/parallel
Power and Current Conversions
• kVA to Amperes (single-phase and three-phase)
• Amperes to kVA (single-phase and three-phase)
• Power Calculator (single-phase and three-phase)
• Horsepower Calculator (DC, single-phase, three-phase)
Efficiency and Power Factor Tools
• Efficiency Calculator (DC, single-phase, three-phase)
• Power Factor Calculator (single-phase and three-phase)
Energy Storage Calculations
• Energy Cost Calculator
• Energy Storage Calculator (resistor, inductor, capacitor)
Circuit Design Tools
• Star to Delta and Delta to Star Conversions
• Inductive and Capacitive Reactance Calculators
• Resonance Frequency Calculator
• Inductance and Capacitance Size Calculation Formulas
Component Calculations
• Series and Parallel Resistor, Inductor, and Capacitor Calculators
• Unknown Resistor and Capacitor Calculators (series and parallel)
Other Calculations
• Neutral Current (unbalanced three-phase load)
• Characteristic Impedance (parallel and coaxial)
• Transformer Calculator
• Voltage Divider Calculator
Lighting Calculators
• Luminous Intensity Calculator
• Luminous Flux Calculator
• Solid Angle Calculator
Electrical Converters
• Electric Field Strength Converter
• Electric Potential Converter
• Resistance and Resistivity Converter
• Conductivity and Conductance Converter
• Capacitance and Inductance Converter
• Charge Converter: Supports charge conversions, including:
Linear Charge Density
Surface Charge Density
Volume Charge Density
Linear Current Density
Surface Current Density
• Power Converter
This application is compatible with iPhone, iPad, and Mac.
Multi-Unit Compatibility
Supports multiple units for all electrical parameters, including Ohm, kiloOhm, Farad, Henry, kVA, Volt, Weber, etc.