-40°C to Fahrenheit
-40°C = -40°F
Nearby temperatures
| Celsius | Fahrenheit |
|---|---|
| -44°C | -47.2°F |
| -43°C | -45.4°F |
| -42°C | -43.6°F |
| -41°C | -41.8°F |
| -40°C | -40°F |
| -39°C | -38.2°F |
| -38°C | -36.4°F |
| -37°C | -34.6°F |
| -36°C | -32.8°F |
The formula
°F = °C × 9/5 + 32
About the scales
Celsius — The Celsius scale puts the freezing point of water at 0° and its boiling point at 100° at standard pressure.
Fahrenheit — The Fahrenheit scale puts water’s freezing point at 32° and its boiling point at 212°, and is used mainly in the United States.
Frequently asked questions
What is -40°C in Fahrenheit?
-40°C is -40°F.
Is -40°C hot or cold?
Very cold — well below freezing.