69 DERAJAT F = ........ DERAJAT C 69 DERAJAT F =.......... DERAJAT R 69 DERAJAT F =............DERAJAT K 30 DERAJAT R =............DERAJAT C 30 DERAJAT R =.....

t°F = 5/9 x ( t - 32 )°C
69° F = 5/9 x (69 - 32) = 5/9 x 37 = 185/9 = 2,5°C
 t°F = 4/9 x ( t - 32 )°R  
69°F = 4/9 x ( 69 -32 )°R = 4/9 x 37 = 148/9 = 16,44°R 
t°F = 5/9 x ( t - 32 )°C
69°F = 5/9 x (69 -32) = 5/9 x 37 = 185/9 = 2,5°C
         =  2,5 + 273 K = 275,5 K
t°R = 5/4 x t°C
30°R = 5/4 x 30°C = 150/4 = 37,5°C
t°R = (9/4 x t) + 32°F
30°R = (9/4 x 30) +32°F = 270/4 +32°F = 67,5 + 30°F = 97,5°F
t°R = 5/4 x t°C
30°R = 5/4 x 30°C = 150/4 = 37,5°C + 273 K =310,5 K