Kelvins = 5/9(F-32) + 273.15
K = 5/9(780-32) + 273.15
K = 5/9(748) + 273.15
K = 415.55 + 273.145 = 688.71
688.56 degrees Kelvin.
To convert **780°F to Kelvin**: Convert Fahrenheit to Celsius: [ (780 - 32) \times \frac{5}{9} = 415.56^\circ C ] Convert Celsius to Kelvin: [ 415.56 + 273.15 = 688.71\ \text{K} ] Answer: 780°F = 688.71 K (approximately **689 K** when rounded to the nearest whole number).
I think you tried to write 780 degrees Fahrenheit. Degrees are a measure of temperature. Kilometers indicate distance. You can't convert between the two because they are not the same types of measurements.
149 degrees F
39.2˚F
15
Start by subtracting 32 from 780. Then multiply the answer with 5 and then divide by 9. In this case the answer will be in celsius. Then add 273 to the number. In this case the answer is 688.5 K.
(-60) degrees Celsius = (-76) degrees Fahrenheit.
70 F = 21,1 C
that isn't a real question.
780ºF = ~688.71K
99.5 degrees Fahrenheit = 37.5 degrees Celsius[°C] = ([°F] − 32) × 5⁄9