For scientific work , room temperature is taken to be about 20 to 26 ° Celsius with an average of 23 ° C , about 73.4 degrees Fahrenheit ( ° F ) , 293 to 299 kelvins ( K ) , or 528 to 537 degrees Rankine ( ° R ) .
For scientific work , room temperature is taken to be about 20 to 25 degrees Celsius with an average of 23 ° C ( about 73.4 degrees Fahrenheit ( ° F ) , 528 to 537 degrees Rankine ( ° R ) , or 293 to 298 Kelvins ( K ) ) .