# 21 °F to °C converter. How many Celsius are in 21 °F?

## 21 °F to °C

The question “What is 21 °F to °C?” is the same as “How many Celsius are in 21 Fahrenheit?” or “Convert 21 Fahrenheit to Celsius” or “What is 21 Fahrenheit to Celsius?” or “21 Fahrenheit to °C”. Read on to find free Fahrenheit to Celsius converter and learn how to convert 21 °F to °C. You’ll also learn how to convert 21 °F to °C.

Answer: There are -6.11 °C in 21 °F.

Alternatively, you can say “21 °F equals to -6.11 °C” or “21 °F = -6.11 °C” or “21 Fahrenheit is -6.11 Celsius”.

## Fahrenheit to Celsius conversion formula

A Celsius is equal to 5/9(F – 32) Fahrenheit. A Fahrenheit equals 9/5С + 32 Celsius.
To convert 21 Fahrenheit to Celsius you can use one of the formulas:

Formula 1
Subtract 32 from the temperature in degrees Fahrenheit and multiply by 5/9.
(21°F – 32) * 5/9 = -6.11 °C

Formula 2
Subtract 32 from the temperature in degrees Fahrenheit and divide by 9/5.
(21°F – 32) / 9/5 = -6.11 °C

Hint: no need to use a formula. Use our free °F to °C converter.

## Alternative spelling of 21 °F to °C

Many of our visitor spell Fahrenheit and Celsius differently. Below we provide all possible spelling options.

• Spelling options with “Fahrenheit”: 21 Fahrenheit to °C, 21 Fahrenheit to Celsius, 21 Fahrenheit in °C, 21 Fahrenheit in Celsius.
• Spelling options with “°F”: 21 °F to °C, 21 °F to Celsius, 21 °F in Celsius, 21 °F in Celsius,
• Spelling options with “in”: {c-to-f(c)} °C in °F, {c-to-f(c)} °C in Fahrenheit, {c-to-f(c)} Celsius in °F, {c-to-f(c)} Celsius in Fahrenheit.

## FAQ on 21 °F to °C conversion

How many Celsius are in 21 Fahrenheit?

There are -6.11 Celsius in 21 Fahrenheit.

21 °F to °C?

21 °F is equal to -6.11 °C. There are -6.11 Celsius in 21 Fahrenheit.

What is 21 °F to °C?

21 °F is -6.11 °C. You can use a rounded number of -6.11 for convenience. In this case you can say that 21 °F is -6.11 °C.

How to convert 21 °F to °C?

Use our free Fahrenheit to Celsius converter or subtract 32 from the temperature in degrees Fahrenheit and multiply by 5/9.
(21°F – 32) * 5/9 = -6.11 °C