-40 Celsius to Fahrenheit
-40 degrees Celsius equals
-40 degrees Fahrenheit
-40 C = -40 F
Quick Reference Table
| Celsius (C) | Fahrenheit (F) |
|---|---|
| -65 C | -85 F |
| -60 C | -76 F |
| -55 C | -67 F |
| -50 C | -58 F |
| -45 C | -49 F |
| -40 C | -40 F |
| -35 C | -31 F |
| -30 C | -22 F |
| -25 C | -13 F |
| -20 C | -4 F |
| -15 C | 5 F |
How to Convert
Formula: F = C x 9/5 + 32
To convert Celsius to Fahrenheit, multiply by 9/5 and add 32. So -40 x 9/5 + 32 = -40 F.
Key reference points: 0 C = 32 F (water freezes), 100 C = 212 F (water boils), 37 C = 98.6 F (body temperature).
Need to convert a different value?
Open Full C to F Converter