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A hot day means something very different temperature-wise in Fahrenheit and Celsius.

炎熱的一天指的是華氏溫度和攝氏溫度非常不同的溫度。

Depending on where you live in the world, you either use the Fahrenheit or the Celsius temperature scale. Converting between the two is easier than you may expect. A couple of simple formulas can help you estimate or exactly convert between the temperature scales.

依據你生活所處的地方，你可以使用華氏溫標或攝氏溫標。兩者之間的轉換比您想象的要容易。幾個(gè)簡(jiǎn)單的公式可以幫助您估計或準確地轉換溫度尺度。

If youre living in the United States, youre probably accustomed to reading temperatures in Fahrenheit. On a summer day with the sun beating down on you, it may feel like almost 100 degrees, while a winter day may feel closer to 40 degrees. Yet, if you were living in almost any other country in the world, youre likely used to reading temperatures in Celsius. In this case, 40 degrees describes a hot summer day, while zero degrees would be more typical of a winter day.

如果你生活在美國，你可能已經(jīng)習慣了用華氏溫度來(lái)讀取溫度。在夏天，太陽(yáng)直射在你身上，感覺(jué)溫度接近100華氏度，而冬天可能感覺(jué)接近40華氏度。然而，如果你生活在世界上幾乎任何其他國家，你可能都習慣用攝氏度來(lái)讀取溫度。在這種情況下，40度描述的是炎熱的夏天，而0度更典型的是冬天。

The Fahrenheit scale was created by Daniel Gabriel Fahrenheit in 1724. He originally created the scale to measure temperature using mercury thermometers, which he also invented. The Celsius scale was created by Anders Celsius in 1742. But when the scale was first introduced, Celsius used the reverse of todays scale. He labeled 0 as the boiling point of water and 100 as the freezing point. After Celsius death, Swedish taxonomist Carl Linnaeus flipped the Celsius scale into what it is today, making 100 represent boiling temperature and 0 as the freezing point.

華氏溫標是丹尼爾·加布里埃爾·華氏在1724年發(fā)明的。他最初發(fā)明了水銀溫度計來(lái)測量溫度，水銀溫度計也是他發(fā)明的。攝氏溫標是由Anders Celsius在1742年發(fā)明的。但是當溫度計首次被引入時(shí)，攝氏度使用的是與今天相反的刻度。他把0標為水的沸點(diǎn)，100標為冰點(diǎn)。在A(yíng)nders Celsius死后，瑞典分類(lèi)學(xué)家卡爾·林奈將攝氏溫標改為今天的溫度，100代表沸點(diǎn)，0代表冰點(diǎn)。

Contents 內容

How to Convert Celsius to Fahrenheit Quickly 如何快速將攝氏度轉換為華氏度How to Convert Fahrenheit to Celsius Quickly 如何快速將攝氏度轉換為華氏度How to Convert Celsius to Fahrenheit (Exact Calculation) 如何將攝氏度轉換為華氏度(精確計算)How to Convert Fahrenheit to Celsius (Exact Calculation) 如何將華氏度轉換為攝氏度(精確計算)

How to Convert Celsius to Fahrenheit Quickly 如何快速將攝氏度轉換為華氏度

This formula will help you make a close estimate for a Fahrenheit temperature when youre converting from Celsius. This is a great formula to do quickly in your head. Simply multiply the Celsius temperature by 2 and add 30 to it:

這個(gè)公式可以幫助你從攝氏溫度換算成華氏溫度。這是一個(gè)可以快速計算的公式。簡(jiǎn)單地將攝氏溫度乘以2，再加上30:

(Celsius temp. x 2) + 30 = Fahrenheit temp. (攝氏溫度x 2) + 30 =華氏溫度。

Heres an example using 30 degrees C. 這里有一個(gè)使用30攝氏度的例子。

(30 x 2) + 30 = 90 degrees F. (30 x 2) + 30 = 90華氏度。

This is pretty close to the 86 degrees F reading youd get using the more precise method (explained later).

這與你使用更精確的方法(稍后解釋)得到的86華氏度讀數非常接近。

How to Convert Fahrenheit to Celsius Quickly 如何快速將華氏度轉換為攝氏度

To do a rough approximation of Celsius using Fahrenheit, reverse the earlier formula. Subtract 30 from the Fahrenheit degrees, then divide your answer by 2.

要用華氏度粗略地近似攝氏度，請顛倒前面的公式。華氏度減去30，然后將答案除以2。

(Fahrenheit temp. – 30) ÷ 2 = Celsius temp. (華氏溫度- 30)÷ 2 =攝氏溫度。

Lets say the Fahrenheit temperature is 80 degrees. The approximate Celsius temperature would be:

假設華氏溫度是80度。大概的攝氏溫度是:

(80 – 30) ÷ 2 = 25 C

How to Convert Celsius to Fahrenheit (Exact Calculation)

如何將攝氏度轉換為華氏度(精確計算)

If youre looking to get a more precise calculation, you can use this exact formula. You may want to have a calculator handy when you do this.

如果你想要得到更精確的計算結果，你可以使用這個(gè)精確的公式。計算的時(shí)候，你可能需要一個(gè)計算器。

(Celsius temp. × 1.8) + 32 = Fahrenheit temp. (攝氏溫度× 1.8) + 32 =華氏溫度。

Begin the conversion by multiplying the temperature in Celsius by 1.8 (or 9/5), then add 32 to your answer to get the Fahrenheit reading.

開(kāi)始轉換時(shí)，用攝氏溫度乘以1.8(或9/5)，然后在你的答案上加上32，得到華氏溫度讀數。

Heres an example using 30 degrees Celsius. 這里有一個(gè)使用30攝氏度的例子。

(30 x 1.8) + 32 = 86 F

How to Convert Fahrenheit to Celsius (Exact Calculation)

如何將華氏度轉換為攝氏度(精確計算)

When converting Fahrenheit to Celsius, you simply reverse the same equation above. Subtract 32 from the degrees in Fahrenheit, then divide your answer by 1.8.

當將華氏溫度轉換為攝氏溫度時(shí)，只需將上面的等式顛倒。華氏度減去32，然后將你的答案除以1.8。

(Fahrenheit temp. – 32) ÷ 1.8 = Celsius temp. (華氏溫度- 32)÷ 1.8 =攝氏溫度。

Here is the formula in action starting with 80 degrees F: 下面是從80華氏度開(kāi)始的公式:

(80 – 32) ÷ 1.8 = 26.6 C (or round up to 27 C) (80 - 32) ÷ 1.8 = 26.6 C(或四舍五入到27 C)