Electricity Unit Conversion Calculator
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Use the converter above to calculate different values and units
Electricity Conversion FAQs
Find answers to common questions about electrical measurements and power conversions.
The fundamental electrical units are interrelated through Ohm's Law and Power equations: 1) Voltage (V) measures electrical potential, 2) Current (A) measures electron flow, 3) Resistance (Ω) measures opposition to current, 4) Power (W) = Voltage × Current, 5) Energy (kWh) = Power × Time. These relationships are essential for electrical calculations.
To convert between electrical power units: 1) Watts to kilowatts: divide by 1000 (1 kW = 1000 W), 2) Horsepower to watts: multiply by 746 (1 hp = 746 W), 3) BTU/hour to watts: multiply by 0.293, 4) Volt-amperes to watts: multiply by power factor. Always consider power factor in AC circuits.
AC and DC measurements differ in several ways: 1) AC voltage/current varies sinusoidally while DC remains constant, 2) AC power calculations must consider power factor, 3) AC uses RMS values for effective measurements, 4) DC calculations are simpler and direct, 5) Different units apply for AC frequency (Hz) and phase angle (degrees).
To convert between energy and power: 1) Energy (kWh) = Power (kW) × Time (hours), 2) Joules = Watts × Seconds, 3) BTU = 0.293 Watt-hours, 4) Calorie = 1.163 Watt-hours. For billing purposes, electrical energy is typically measured in kilowatt-hours (kWh).
Electrical unit conversions are crucial because: 1) Different countries use different voltage standards, 2) Equipment specifications vary globally, 3) Power consumption calculations affect costs, 4) Safety ratings require specific units, 5) Circuit design needs precise calculations, 6) Energy efficiency comparisons use various units.