−21 Fahrenheit to Celsius
-21 degrees Fahrenheit = -29.444444 degrees Celsius
- What it means
- Colder than 0 °F (−17.8 °C): severe frost.
How to convert -21 degrees Fahrenheit to degrees Celsius
Subtract 32 from the Fahrenheit temperature, then multiply by 5/9 (or divide by 1.8).
(°F − 32) × 5/9 → -29.444444 °C
Rounded to two decimal places, that is -29.44 °C.
−21 Fahrenheit in other units
| Unit | Value |
|---|---|
| Celsius (°C) | -29.44444444 |
| Kelvin (K) | 243.7055556 |
| Rankine (°R) | 438.67 |
Nearby values
| Fahrenheit | Celsius |
|---|---|
| −27 Fahrenheit to Celsius | -32.7778 °C |
| −26 Fahrenheit to Celsius | -32.2222 °C |
| −25 Fahrenheit to Celsius | -31.6667 °C |
| −24 Fahrenheit to Celsius | -31.1111 °C |
| −23 Fahrenheit to Celsius | -30.5556 °C |
| −22 Fahrenheit to Celsius | -30 °C |
| −21 °F | -29.4444 °C |
| −20 Fahrenheit to Celsius | -28.8889 °C |
| −19 Fahrenheit to Celsius | -28.3333 °C |
| −18 Fahrenheit to Celsius | -27.7778 °C |
| −17 Fahrenheit to Celsius | -27.2222 °C |
| −16 Fahrenheit to Celsius | -26.6667 °C |
| −15 Fahrenheit to Celsius | -26.1111 °C |
Frequently asked questions
How many degrees Celsius is -21 degrees Fahrenheit?
-21 degrees Fahrenheit is -29.444444 degrees Celsius, or about -29.44 °C.
How do you convert -21 degrees Fahrenheit to degrees Celsius?
Subtract 32 from the Fahrenheit temperature, then multiply by 5/9 (or divide by 1.8). Worked out: (°F − 32) × 5/9 → -29.444444 °C.
What is -29 degrees Celsius in degrees Fahrenheit?
-29 degrees Celsius is -20.2 degrees Fahrenheit.
Is −21 °F hot or cold?
Colder than 0 °F (−17.8 °C): severe frost.