瓦特
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://unitfyi.com/iframe/glossary/watt-def/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://unitfyi.com/glossary/watt-def/Add a dynamic SVG badge to your README or docs.
[](https://unitfyi.com/glossary/watt-def/)Use the native HTML custom element.
定义
SI功率单位，等于每秒一焦耳。
解释
Named after James Watt. A typical incandescent light bulb uses 60-100 watts. One kilowatt-hour (kWh) is the energy used by a 1 kW device running for 1 hour.
RELATED CONVERSIONS
RELATED ARTICLES
From milligrams to metric tons, this guide covers every major weight and mass unit with exact conversion factors, real-world examples, and a clear explanation of why weight and mass are not the same thing.
Temperature Scales Explained: Celsius, Fahrenheit, and KelvinA complete guide to the four temperature scales in scientific and everyday use—Celsius, Fahrenheit, Kelvin, and Rankine—including their history, conversion formulas, and where they intersect.
Power Units Guide: Watts, Horsepower, and BTU/HourPower is the rate of energy transfer — how fast work is done. This guide covers watts, kilowatts, megawatts, horsepower, and BTU/hour with real-world context from light bulbs to power plants.