# Temperature Conversion Trick (Fahrenheit Celsius)

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Check out the fastest way to convert temperature from Ceclsius to Fahrenheit and vice versa. To view all videos and solve tricky questions, visit our website here: https://dontmemorise.com/course/index.php?categoryid=39

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Excellent! Thank you

FUN FACT!! -40C = -40F

It is wrong

Check 37celcius to f

By this method ans is 104

But the real ans is 98

Sadly most people probably download a converter app or ask the favorite search engine …

My personal method to calculate this conversion a bit faster but accurately: Start with the temperature in Celsius, multiply by 2, then subtract 10% from the value, add 32 (or 30 if I'm in a sloppy mood).

Nice video!

My solutions are

°C To °F

(°C×9÷5)+32

°F To °C

(°F-32)×5÷9

So wait 0x2=0 +30=30 ISINT 0C = 32F???

Add 40. Multiply by either 5/9 or 9/5 (depending upon which way you are going), subtract 40.

This exploits fact that at -40, both temps are the same.

What about Kelvin…lol We don't want anyone left out someone may get offended.

Fabulous ma'am

If you don't now c is smaller than f you have far more issues than converting them 🙂

you can do the math or you could just ask Alexa.

Indian

This approximate conversion has been well known since sliced bread was invented. Anyone with basic arithmetic skills should know it

Genius!

Indian people are very creative. That's a positive stereotype.

I used to guesstimate the conversions but after watching this video I can make these calculations in under a second.

Why approximately if perfect possible? The difference is huge

Tnq for ur information

I’ll convert to Celsius when you guys quit using a comma in a number instead of a decimal point like the Good Lord intended.

With your formula, i think bigger number will produce more error. How about this :

100 C = ? F

100 x 2 = 200

200 – (200/10) = 200 – 20 = 180

180 + 32 = 212 F

17 C = ? F

17 *x 2 = 34

34 – (34/10) = 34 – 3.4 = 30 or 31

30 + 32 = 62 F

Its more accurate. Just round the decimal if its troublesome.

I have a better trick. Get rid of Fahrenheit and problem is solved. And while at it, also get rid of the other pointless measurement units and use the international standard

C->F

(C+40) 9/5 – 40 = F

F->C

(F+40) 5/9 – 40 = C

fahrenheit is for dinosaurs. (and Americans)

Close enough for government work.

to be a little closer you double the celsius temp and add 25 not 30, 37.4C is 100F , double the temp 75 add 25 = 100

just use 2 + 2 = 4 – 3 +1

I guess I’m gone use my phone as always