Q&A for How to Convert Celsius (°C) to Fahrenheit (°F)

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Confused! What is the 1.8 for?

Janice Tieperman

Community Answer

The 1.8 in the Celsius to Fahrenheit formula is shorthand for the fraction 9/5 (since 9 divided by 5 equals 1.8). Converting the fraction to a decimal helps you complete the formula a bit more easily and quickly.

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How do you convert a negative Celsius temperature to Fahrenheit (like -32 degrees)?

Janice Tieperman

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You'd use the same formula as shown above! Using the C x 1.8 +32 formula, multiply -32 by 1.8 to get -57.6. Then, add 32, which gives you -25.6—so, -32°C equals -25.6°F.

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How do you convert 25°C into Fahrenheit?

Janice Tieperman

Community Answer

Plug 25 into the formula C x 1.8 + 32. Start by multiplying 25 by 1.8, which gives you 45. From there, add 32 and 45 together to get 77. Therefore, 25°C is 77°F.

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how do you convert 98.6°F to celsius???

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Plug 98.6 into the formula C = (F - 32) x 5/9. 98.6°F = 37°C.

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How to convert 9°C to Farenheit? Formula doesn't seem to work here

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The formula always works. (9°C.)(1.8) + 32° = 48.2°F.

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How do you convert 36.9 Celsius to Fahrenheit?

I_l1ke_gam3s

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Multiply 36.9 by 9/5 to get 66.42. Then add 32. Answer: 98.42 degrees Fahrenheit.

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Convert 72 degrees Celsius to Fahrenheit

I_l1ke_gam3s

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Multiply 72 by 9/5, and then add 32: 72 x 9/5 is 129.6. Add 32. Your answer is 161.6 degrees Fahrenheit.

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What is 62.5° Celsius converted into Fahrenheit?

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(62.5° C)(9/5) + 32 = 112.5 + 32 = 144.5° F.

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How do you convert 365 F to C using the C= (F - 32) / 1.8?

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(365 - 32) / 1.8 = 333 / 1.8 = 185 C.

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The formula for changing degrees Celcius to degrees Fahrenheit is F=(9C/5)+32. Rearrange this formula to make C THE SUBJECT.

Community Answer

There are three similar formulas for converting Fahrenheit to Celsius. They all amount to the same thing: C = (0.555)(F - 32). C = (5/9)(F - 32). C = (F - 32) / 1.8.

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How come -40C is equivalent to -40F and any other numbers aren't.

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It's a coincidence. -40° C just happens to equal -40° F. That's not true of any other number. (If you multiply -40 by 9/5, you get -72. Add 32 to get -40.)

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