68 Fahrenheit to Celsius
68 °F = 20 °C
68 degrees Fahrenheit equals 20 degrees Celsius.
How to convert 68 °F to °C
Use the formula °C = (°F − 32) × 5/9:
°C = (68 − 32) × 5/9°C = 36 × 5/9°C = 20
So 68 °F = 20 °C.
Rounded values and quick estimate
- Rounded to a whole number: 20 °C
- Rounded to one decimal place: 20 °C
Quick mental estimate: subtract 30 and halve it. For 68 °F that gives about 19 °C — off by 1 °C (5%). Use the exact formula when precision matters.
68 Fahrenheit in other units
68 °F (20 °C) is the classic “room temperature” used in science and the US Department of Energy’s recommended winter thermostat setting.
Twenty degrees Celsius is a common reference for “room temperature” in science and in everyday use, and a comfortable indoor setting for most people.
20 °C is in the range usually described as room temperature — comfortable indoors and a pleasant warm day outside.
- Celsius
- 20 °C
- Degrees Réaumur
- 16 °Ré
- Degrees Delisle
- 120 °De
- Degrees Newton
- 6.6 °N
- Degrees Rømer
- 18 °Rø
- Kelvin
- 293.15 K
- Rankine
- 527.67 °R
68 °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 68 Fahrenheit in Celsius?
68 degrees Fahrenheit is 20 degrees Celsius (68 °F = 20 °C).
How do you convert 68 °F to °C?
Apply °C = (°F − 32) × 5/9: °C = (68 − 32) × 5/9, °C = 36 × 5/9, °C = 20.
How many degrees Fahrenheit is 20 °C?
20 °C is about 68 degrees Fahrenheit.
Is 68 °F a good room temperature?
Yes — it is a widely recommended comfortable and energy-efficient indoor temperature in winter.