GE 90-30 PLC Series Installation And Hardware Manual page 428

Temperature Conversion
Formulas
Table K-3. Celsius to Fahrenheit Conversion
GFK-0356Q Appendix K Tables and Formulas
°C = 5/9(°F – 32)
°F = (9/5 x °C) + 32
Celsius to Fahrenheit Conversion (to nearest degree)
Degrees Degrees
Celsius Fahrenheit
-50 -58
-45 -49
-40 -40
-30 -22
-25 -13
-20 -4
-15 5
-10 14
-5 23
0 32
5 41
10 50
15 59
20 68
25 77
30 86
35 95
40 104
45 113
Degrees Degrees
Celsius Fahrenheit
50 122
55 131
60 140
65 149
70 158
75 167
80 176
85 185
90 194
95 203
100 212
105 221
110 230
115 239
120 248
125 257
130 266
135 275
140 284
K
Degrees Degrees
Celsius Fahrenheit
145 293
150 302
155 311
160 320
165 329
170 338
175 347
180 356
185 365
190 374
195 383
200 392
205 401
210 410
215 419
220 428
225 437
230 446
235 455
K-3