Power4all

Power Units Conversion Calculator

Convert between power units instantly with our advanced calculator. Perfect for electronics, energy systems, and electrical engineering.
Unit Converter
Power Visualization
Applications

Power Unit Converter

Enter a value in any field to convert between all units

100 W
1 kW
1 MW
500 mW
pW
nW
μW
mW
W
kW
MW
GW
TW
PW
Show scientific notation

Power Comparison

Visual representation of power magnitude

Petawatt (PW) Terawatt (TW) Gigawatt (GW) Megawatt (MW) Kilowatt (kW) Watt (W) Milliwatt (mW) Microwatt (μW) Nanowatt (nW) Picowatt (pW)
No value entered

Power Conversion Formulas

1 W = 1000 mW = 1,000,000 μW
1 kW = 1000 W = 1,000,000 mW
1 MW = 1000 kW = 1,000,000 W

Note: The visualization shows relative magnitude on a logarithmic scale.

Power Scale Visualization

Compare different power magnitudes across common applications

Power Range Example Applications Typical Units
1 pW - 1 nW Ultra-low power sensors, quantum computing components pW
1 nW - 1 μW RFID tags, energy harvesting devices, low-power sensors nW
1 μW - 1 mW Bluetooth Low Energy devices, hearing aids, wearable sensors μW
1 mW - 1 W LEDs, small electronic circuits, IoT devices mW
1 W - 1 kW Smartphones, laptops, small appliances W
1 kW - 1 MW Household appliances, electric vehicles, small buildings kW
1 MW - 1 GW Small power plants, large industrial facilities, city districts MW
1 GW - 1 TW Large power plants, regional power grids GW
1 TW - 1 PW National power grids, global energy consumption TW

Power Calculation Tools

Electrical Power Calculator

Formula: P = V × I

Mechanical Power Calculator

Formula: P = F × v

Power in Real-World Applications

Understanding power units in various fields and industries

Electronics

In electronics, power is typically measured in microwatts (μW) to watts (W). For example:

  • A typical IoT sensor might consume 10-100 μW in sleep mode
  • A smartphone uses 1-5 W during normal operation
  • A laptop consumes 15-100 W depending on usage
  • A desktop computer can use 200-500 W

Understanding power consumption is essential for battery life calculations, thermal management, and energy efficiency design.

Industrial Applications

Industrial settings often deal with much larger power levels, measured in kilowatts (kW) to megawatts (MW):

  • Electric motors: 0.1-1000 kW depending on size and application
  • Industrial heating: 10-500 kW
  • Manufacturing plants: 100 kW - 10 MW
  • Steel mills: 50-200 MW

Power calculations are critical for sizing equipment, designing electrical distribution systems, and energy management.

Power Generation

Power generation facilities produce enormous amounts of power:

  • Small solar installation: 1-10 kW
  • Wind turbine: 2-5 MW
  • Small power plant: 1-100 MW
  • Nuclear reactor: 500-1500 MW
  • Large hydroelectric dam: 1-20 GW
  • Total global power consumption: ~18 TW

Power units help engineers design and manage generation facilities to meet demand while maintaining grid stability.

Residential Applications

Household power usage is typically measured in watts (W) to kilowatts (kW):

  • LED light bulb: 5-15 W
  • Refrigerator: 100-200 W
  • Air conditioner: 1-4 kW
  • Electric water heater: 3-5 kW
  • Average home: 1-2 kW continuous, 10-20 kW peak

Understanding power consumption helps homeowners manage energy costs and size renewable energy systems appropriately.

About Power Units

Power is the rate at which energy is transferred, used, or transformed. The SI unit of power is the watt (W), which equals one joule per second (J/s).

Power units follow the standard SI prefixes: