17 Fahrenheit to Celsius
17 °F ≈ -8.33 °C
17 degrees Fahrenheit is approximately -8.33 degrees Celsius.
How to convert 17 °F to °C
Use the formula °C = (°F − 32) × 5/9:
°C = (17 − 32) × 5/9°C = -15 × 5/9°C = -8.333333
So 17 °F = -8.333333 °C, or about -8.33 °C rounded.
Rounded values and quick estimate
- Rounded to a whole number: -8 °C
- Rounded to one decimal place: -8.3 °C
Quick mental estimate: subtract 30 and halve it. For 17 °F that gives about -6.5 °C — off by 1.83 °C (22%). Use the exact formula when precision matters.
17 Fahrenheit in other units
-8.33 °C is below the freezing point of water (0 °C / 32 °F), so expect ice and frost. In weather terms it is a cold winter day.
- Celsius
- -8.33 °C
- Degrees Réaumur
- -6.67 °Ré
- Degrees Delisle
- 162.5 °De
- Degrees Newton
- -2.75 °N
- Degrees Rømer
- 3.13 °Rø
- Kelvin
- 264.82 K
- Rankine
- 476.67 °R
17 °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 17 Fahrenheit in Celsius?
17 degrees Fahrenheit is about -8.33 degrees Celsius (17 °F ≈ -8.33 °C).
How do you convert 17 °F to °C?
Apply °C = (°F − 32) × 5/9: °C = (17 − 32) × 5/9, °C = -15 × 5/9, °C = -8.333333.
How many degrees Fahrenheit is -8.33 °C?
-8.33 °C is about 17.01 degrees Fahrenheit.