Temperature
40 °C to °F Converter
40 °C = 104 °F
1 °C = 33.8 °F
Bidirectional · live
Fever threshold.
Reference table — °C to °F
| °C | °F |
|---|---|
| 10 | 10 |
| 20 | 20 |
| 30 | 30 |
| 40 | 40 |
| 50 | 50 |
| 60 | 60 |
| 80 | 80 |
| 120 | 120 |
| 160 | 160 |
| 200 | 200 |
| 320 | 320 |
| 400 | 400 |
About this conversion
Temperature scales aren't linearly proportional — they have offsets. Use the formulas above, not a simple multiplier.
Common questions
How many °F in 40 °C?
40 °C equals 104 °F.
What is the conversion factor between °C and °F?
1 °C = 33.8 °F.
How do I convert 80 °C to °F?
80 °C = 176 °F.