-13 Fahrenheit to Celsius
-13 °F = -25 °C
-13 degrees Fahrenheit equals -25 degrees Celsius.
How to convert -13 °F to °C
Use the formula °C = (°F − 32) × 5/9:
°C = (-13 − 32) × 5/9°C = -45 × 5/9°C = -25
So -13 °F = -25 °C.
Rounded values and quick estimate
- Rounded to a whole number: -25 °C
- Rounded to one decimal place: -25 °C
Quick mental estimate: subtract 30 and halve it. For -13 °F that gives about -21.5 °C — off by 3.5 °C (14%). Use the exact formula when precision matters.
-13 Fahrenheit in other units
-25 °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
- -25 °C
- Degrees Réaumur
- -20 °Ré
- Degrees Delisle
- 187.5 °De
- Degrees Newton
- -8.25 °N
- Degrees Rømer
- -5.63 °Rø
- Kelvin
- 248.15 K
- Rankine
- 446.67 °R
-13 °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 -13 Fahrenheit in Celsius?
-13 degrees Fahrenheit is -25 degrees Celsius (-13 °F = -25 °C).
How do you convert -13 °F to °C?
Apply °C = (°F − 32) × 5/9: °C = (-13 − 32) × 5/9, °C = -45 × 5/9, °C = -25.
How many degrees Fahrenheit is -25 °C?
-25 °C is about -13 degrees Fahrenheit.