How many degrees Celsius in 291 kelvins?

How to convert 291 kelvins to degrees Celsius using the formula?

1 kelvin equals 1 degree Celsius. The difference between the scales is only in the starting point. To convert the temperature 291 kelvins from Celsius to kelvins, subtract a fixed value of 273.15 from the kelvins:

291 K - 273.15 = 17.85°С