Comparison Between Fahrenheit and Centigrade Thermometers
| C. | F. | C. | F. | C. | F. | C. | F. | C. | F. | ||||
| -25 | -13 | 5 | 41 | 25 | 77 | 65 | 149 | 105 | 221 | ||||
| -20 | -4 | 8 | 46·4 | 30 | 86 | 70 | 158 | 110 | 230 | ||||
| -17 | 1·4 | 10 | 50 | 35 | 95 | 75 | 167 | 115 | 239 | ||||
| -15 | 5 | 12 | 53·6 | 40 | 104 | 80 | 176 | 120 | 248 | ||||
| -10 | 14 | 15 | 59 | 45 | 113 | 85 | 185 | 125 | 257 | ||||
| -5 | 23 | 17 | 62·6 | 50 | 122 | 90 | 194 | 130 | 266 | ||||
| 0 | 32 | 18 | 64·4 | 55 | 131 | 95 | 203 | 135 | 275 | ||||
| 1 | 33·8 | 20 | 68 | 60 | 140 | 100 | 212 | 140 | 284 |
To Convert:—
Degrees C. to Degrees F., multiply by 9, divide by 5, then add 32.
Degrees F. to Degrees C., first subtract 32, then multiply by 5 and divide by 9.