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Convert between temperature units instantly. Our free online temperature converter supports Celsius, Fahrenheit, and Kelvin with precise, real-time results.

温度 Converter

免费温度转换器, 即时换算摄氏度、华氏度和开尔文(含公式)

使用 OmniConverter 免费温度转换器在摄氏度、华氏度和开尔文之间即时换算。公式简单:°F = (°C × 9/5) + 32。水在 0°C (32°F) 结冰,在 100°C (212°F) 沸腾。无论你是查看天气、遵循食谱还是解读科学数据,都能精确换算。

使用方法

通过三个简单步骤进行转换。

1

输入温度值

2

选择温度刻度

3

获取转换后的温度

常用基准

参考

1 °C°C

1 °C

参考

1 °C°F

33.8 °F

参考

1 °CK

274.15 K

实际应用场景

中央气象台发布的天气预报使用摄氏度, 夏天35°C算高温预警,冬天0°C结冰。但查看美国天气预报时,预报显示华氏度,需要转换为摄氏度才能理解:90°F大约32°C。烹饪是中国家庭最常见的温度换算场景:电烤箱食谱来自美国时,350°F需要换算成180°C。烘焙戚风蛋糕通常用160-170°C,而美式曲奇用350°F。烤箱温度旋钮在中国以°C标注,但很多进口烤箱和空气炸锅也显示°F。体温在中国用°C测量:37°C正常,38°C发烧。但买到的某些进口额温枪默认°F。空调设定温度中国用°C,但中央空调的进口面板可能有°F选项。在食品工业中,巴氏灭菌温度72°C,美标则是161°F。化学实验中,反应温度常用开尔文。

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常见问题

常见换算问题的快速解答

摄氏度怎么转华氏度?+

公式:°F = (°C × 9/5) + 32。例如,25°C = 77°F。中国使用摄氏度。

烤箱温度如何换算?+

中国烤箱通常用摄氏度。180°C ≈ 356°F ≈ 烤箱4档(燃气)。

华氏度怎么转摄氏度?+

公式:°C = (°F − 32) × 5/9。98.6°F ≈ 37°C(体温)。

绝对零度是多少?+

绝对零度为0K = -273.15°C = -459.67°F。

水的沸点是多少?+

标准大气压下,水在100°C(212°F)沸腾。在西藏拉萨(海拔3650米),水在约87°C就沸腾了。

摄氏度与开尔文如何换算?+

K = °C + 273.15。开尔文用于科学和工程领域。

转换器支持零下温度吗?+

是的,支持负值的摄氏和华氏温度。

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Tips, guides, and insights about unit conversions

Quick Answer: 温度 Converter

Convert 温度 instantly — enter any value and get all units at once. Common temperature conversions include Celsius to Fahrenheit (0°C = 32°F), Fahrenheit to Celsius (72°F = 22. Temperature conversion is vital for cooking recipes, weather forecasting, scientific research, HVAC systems, and medical applications.

How the 温度 Converter Works

Our temperature converter uses the standard formulas to convert between Celsius, Fahrenheit, and Kelvin. The formulas are: °F = (°C × 9/5) + 32, °C = (°F - 32) × 5/9, K = °C + 273.15.

Formula & Sources

Celsius/Kelvin defined by BIPM (triple point of water 273.16 K). Fahrenheit formulas are exact linear transforms.

Worked Example

Example: 25°C to Fahrenheit — (25 × 9/5) + 32 = 77°F. Reverse: 77°F → (77-32) × 5/9 = 25°C.

Common 温度 Conversions

Common temperature conversions include Celsius to Fahrenheit (0°C = 32°F), Fahrenheit to Celsius (72°F = 22.2°C), and Celsius to Kelvin (0°C = 273.15 K). Body temperature is 37°C / 98.6°F.

When to Use 温度 Conversion

Temperature conversion is vital for cooking recipes, weather forecasting, scientific research, HVAC systems, and medical applications.

Accuracy & Common Mistakes

Formulas are exact linear transforms. No rounding is applied until display; use full precision for scientific work. Always verify critical results with a second source for safety-critical tasks.

Frequently Asked Questions

What is 0°C in Fahrenheit?

0°C = 32°F. Formula: °F = (°C × 9/5) + 32.

Is 20°C 68°F or 70°F?

20°C = 68°F exactly. 22°C = 71.6°F.

How to convert Fahrenheit to Celsius?

°C = (°F − 32) × 5/9. For example, 98.6°F = 37°C.

Temperature Conversion Chart

Quick reference for common conversions

Temperature Conversion Chart — multiply the From value by the factor to get the To value.
FromToMultiply By
0°CFahrenheit32°F
100°CFahrenheit212°F
37°CFahrenheit98.6°F
0°FCelsius-17.78°C
72°FCelsius22.22°C
0°CKelvin273.15 K
100°CKelvin373.15 K
-40°equalCelsius = Fahrenheit

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