Watts (W) - Power / Electricity Conversions
A watt is a unit of power in the International System of Units (SI) and named after the British engineer James Watt. The symbol for watt is W. A watt is equal to one joule per second.
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Unit Summary
The following tables provides a summary of the Power or Electricity units within their respective measurement systems.
Electric Current Units
| Unit | Symbol | Measurement System |
|---|---|---|
| milliamperes ("milliamps") | mA | International System of Units (SI) |
| amperes ("amps") | A | International System of Units (SI) |
Electric Potential Units
| Unit | Symbol | Measurement System |
|---|---|---|
| nanovolts | nV | International System of Units (SI) |
| millivolts | mV | International System of Units (SI) |
| volts | V | International System of Units (SI) |
| kilovolts | kV | International System of Units (SI) |
Power Units
| Unit | Symbol | Measurement System |
|---|---|---|
| nanowatts | nW | International System of Units (SI) |
| microwatts | μW | International System of Units (SI) |
| milliwatts | mW | International System of Units (SI) |
| watts | W | International System of Units (SI) |
| decawatts | daW | International System of Units (SI) |
| hectowatts | hW | International System of Units (SI) |
| kilowatts | kW | International System of Units (SI) |
| megawatts | MW | International System of Units (SI) |
| gigawatts | GW | International System of Units (SI) |
| terawatts | TW | International System of Units (SI) |
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