-31 Fahrenheit to Celsius
-31 °F = -35 °C
-31 degrees Fahrenheit equals -35 degrees Celsius.
How to convert -31 °F to °C
Use the formula °C = (°F − 32) × 5/9:
°C = (-31 − 32) × 5/9°C = -63 × 5/9°C = -35
So -31 °F = -35 °C.
Rounded values and quick estimate
- Rounded to a whole number: -35 °C
- Rounded to one decimal place: -35 °C
Quick mental estimate: subtract 30 and halve it. For -31 °F that gives about -30.5 °C — off by 4.5 °C (12.9%). Use the exact formula when precision matters.
-31 Fahrenheit in other units
-35 °C is very cold weather, well below the freezing point of water. It is typical of a hard winter in northern climates; warm layers, gloves and a hat are essential outdoors.
- Celsius
- -35 °C
- Degrees Réaumur
- -28 °Ré
- Degrees Delisle
- 202.5 °De
- Degrees Newton
- -11.55 °N
- Degrees Rømer
- -10.88 °Rø
- Kelvin
- 238.15 K
- Rankine
- 428.67 °R
-31 °F and nearby values
About fahrenheit and celsius
The Fahrenheit scale puts water’s freezing point at 32 °F and boiling point at 212 °F. It is the everyday temperature scale in the United States.
The Celsius scale sets the freezing point of water at 0 °C and its boiling point at 100 °C (at sea level). It is used for everyday temperatures in almost every country.
Related conversions
Frequently asked questions
What is -31 Fahrenheit in Celsius?
-31 degrees Fahrenheit is -35 degrees Celsius (-31 °F = -35 °C).
How do you convert -31 °F to °C?
Apply °C = (°F − 32) × 5/9: °C = (-31 − 32) × 5/9, °C = -63 × 5/9, °C = -35.
How many degrees Fahrenheit is -35 °C?
-35 °C is about -31 degrees Fahrenheit.