Use the conversion formula.
F = (9/5) C + 32
F = (9/5)(18) + 32
F = 32.4 + 32
F =64.4
Therefore 18 degrees Centigrade is the same as 64.4 degrees Farenheit.
F = (9/5) C + 32
F = (9/5)(18) + 32
F = 32.4 + 32
F =64.4
Therefore 18 degrees Centigrade is the same as 64.4 degrees Farenheit.