To convert 83 degrees Fahrenheit to Celsius, subtract 32 from the value, and then multiply it by five-ninths. The solution is 28.3 degrees Celsius.
- Subtract 32 from the degrees Fahrenheit
The first step is to subtract the number 32 from the number of degrees Fahrenheit. 83 minus 32 equals 51.
- Multiply the value by five-ninths
The resulting value from step one should be multiplied by the fraction five-ninths. Five-ninths is equal to the repeating decimal 0.5555. 51 times 0.5555 equals 28.3.
- Place the units after the resulting number
The final step is to place the correct unit behind the resulting number. 83 degrees Fahrenheit equals 28.3 degrees Celsius.