421° F to C: Converting 421° Fahrenheit to Celsius
Accepted Solution
A:
421° F to C: Converting 421° Fahrenheit to Celsius
Methods
Converting 421° F to C Mathematically
There is a specific formula to use when converting 421° Celsius to Fahrenheit:
C
=
(
F
−
32
)
×
5
9
C = (F - 32) × \frac{5}{9}
C = ( F − 32 ) × 9 5
So, to convert 421° F to C, we will want to insert the Fahrenheit value into the equation:
C
=
(
421
−
32
)
×
5
9
C = (421 - 32) × \frac{5}{9}
C = ( 421 − 32 ) × 9 5
Then we can solve the equation:
C
=
389
×
5
9
C = 389 × \frac{5}{9}
C = 389 × 9 5
C
=
389
×
5
9
=
216.111
C = 389 × \frac{5}{9} = 216.111
C = 389 × 9 5 = 216.111
(If the decimal is really long, we can round to the nearest three decimal places.)
C
=
216.111
C = 216.111
C = 216.111
So:
421° Fahrenheit = 216.111° Celsius
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