GENERAL ENGINEERING DATA
ENGINEERING MANUAL OF AUTOMATIC CONTROL
469
Table 8. Celsius/Fahrenheit Conversion Tables.
EXAMPLE:
74F = 23.33C
CELSIUS (CENTIGRADE) TO FAHRENHEIT CONVERSION
For Temperatures Below 0C
Temp ËšC 0123456789
–50 –58.0 59.8 61.6 63.4 65.2 67.0 68.8 70.6 72.4 74.2
–40 –40.0 41.8 43.6 45.4 47.2 49.0 50.8 52.6 54.4 56.2
–30 –22.0 23.8 25.6 27.4 29.2 31.0 32.8 34.6 36.4 38.2
–20 –4.0 –5.8 –7.6 –9.4 –11.2 –13.0 –14.8 –16.6 –18.4 –20.2
–10 +14.0 +12.2 +10.4 +8.6 +6.8 +5.0 +3.2 +1.4 –0.4 –2.2
0 +32.0 +30.2 +28.4 +26.6 +24.8 +23.0 +21.2 +19.4 +17.6 +15.8
For Temperatures Above 0C
Temp ËšC 0123456789
0 32.0 33.8 35.6 37.4 39.2 41.0 42.8 44.6 46.4 48.2
10 50.0 51.8 53.6 55.4 57.2 59.0 60.8 62.6 64.4 66.2
20 68.0 69.8 71.6 73.4 75.2 77.0 78.8 80.6 82.4 84.2
30 86.0 87.8 89.6 91.4 93.2 95.0 96.8 98.6 100.4 102.2
40 104.0 105.8 107.6 109.4 111.2 113.0 114.8 116.6 118.4 120.2
50 122.0 123.8 125.6 127.4 129.2 131.0 132.8 134.6 136.4 138.2
60 140.0 141.8 143.6 145.4 147.2 149.0 150.8 152.6 154.4 156.2
70 158.0 159.8 161.6 163.4 165.2 167.0 168.8 170.6 172.4 174.2
80 176.0 177.8 179.6 181.4 183.2 185.0 186.8 188.6 190.4 192.2
90 194.0 195.8 197.6 199.4 201.2 203.0 204.8 206.6 208.4 210.2
100 212.0 213.8 215.6 217.4 219.2 221.0 222.8 224.6 226.4 228.2
110 230.0 231.8 233.6 235.4 237.2 239.0 240.8 242.6 244.4 246.2
120 248.0 249.8 251.6 253.4 255.2 257.0 258.8 260.6 262.4 264.2
FAHRENHEIT TO CELSIUS (CENTIGRADE) CONVERSION
For Temperatures Below 0F
Temp ËšF 0123456789
–50 –45.56 46.11 46.67 47.22 47.78 48.33 48.89 49.44 50.00 50.56
–40 –40.00 40.56 41.11 41.67 42.22 42.78 43.33 43.89 44.44 45.00
–30 –34.44 35.00 35.56 36.11 36.67 37.22 37.78 38.33 38.89 39.44
–20 –28.89 29.44 30.00 30.56 31.11 31.67 32.22 32.78 33.33 33.89
–10 –23.33 3.89 24.44 25.00 25.56 26.11 26.67 27.22 27.78 28.33
0 –17.78 18.332 18.89 19.44 20.00 20.56 21.11 21.67 22.22 22.78
For Temperatures Above 0F
Temp ËšF 0123456789
0 –17.78 –17.22 –16.67 –16.11 –15.56 –15.00 –14.44 –13.89 –13.33 –12.78
10 –12.22 –11.67 –11.11 –10.56 –10.00 –9.44 –8.89 –8.33 –7.78 –7.22
20 –6.67 –6.11 –5.56 –5.00 –4.44 –3.89 –3.33 –2.78 –2.22 –1.67
30 –1.11 –0.56 0.00 +0.56 +1.11 +1.67 +2.22 +2.78 +3.33 +3.89
40 +4.44 5.00 5.56 6.11 6.67 7.22 7.78 8.33 8.89 9.44
50 10.00 10.56 11.11 11.67 12.22 12.78 13.33 13.89 14.44 15.00
60 15.56 16.11 16.67 17.22 17.78 18.33 18.89 19.44 20.00 20.56
70 21.11 21.67 22.22 22.78 23.33 23.89 24.44 25.00 25.56 26.11
80 26.67 27.22 27.78 28.33 28.89 29.44 30.00 30.56 31.11 31.67
90 32.22 32.78 33.33 33.89 34.44 35.00 35.56 36.11 36.67 37.22
100 37.78 38.33 38.89 39.44 40.00 40.56 41.11 41.67 42.22 42.78
110 43.33 43.89 44.44 45.00 45.56 46.11 46.67 47.22 47.78 48.33
120 48.89 49.44 50.00 50.56 51.11 51.67 52.22 52.78 53.33 53.89
130 54.44 55.00 55.56 56.11 56.67 57.22 57.78 58.33 58.89 59.44
140 60.00 60.56 61.11 61.67 62.22 62.78 63.33 63.89 64.44 65.00
150 65.56 66.11 66.67 67.22 67.78 68.33 68.89 69.44 70.00 70.56
160 71.11 71.67 72.22 72.78 73.33 73.89 74.44 75.00 75.56 76.11
170 76.67 77.22 77.78 78.33 78.89 79.44 80.00 80.56 81.11 81.67
180 82.22 82.78 83.33 83.89 84.44 85.00 85.56 86.11 86.67 87.22
190 87.78 88.33 88.89 89.44 90.00 90.56 91.11 91.67 92.22 92.78
200 93.33 93.89 94.44 95.00 95.56 96.11 96.67 97.22 97.78 98.33
210 98.89 99.44 100.0 100.6 101.1 101.7 102.2 102.8 103.3 103.9
220 104.4 105.0 105.6 106.1 106.7 107.2 107.8 108.3 108.9 109.4
230 110.0 110.6 111.1 111.7 112.2 112.8 113.3 113.9 114.4 115.0
240 115.6 116.1 116.7 117.2 117.8 118.3 118.9 119.4 120.0 120.6
250 121.1 121.7 122.2 122.8 123.3 123.9 124.4 125.0 125.6 126.1