To convert 51 degrees Fahrenheit to Celsius, subtract 32 from the value in Fahrenheit and divide the answer by 1.80. The final answer will be in Celsius. If the final answer has many decimal places, then it may be necessary to round the answer to the nearest hundredth decimal place.Continue Reading
First, subtract 32 from the value in Fahrenheit: 51 - 32 = 19.
The next step is to divide the answer from step one by 1.80. For this example, 19/1.80= 10.56.
Labeling the answer completes the conversion. Here, the final answer is 10.56 degrees Celsius.