What is 21 degrees celsius in fahrenheit?

21 degrees Celsius is equal to approximately 69.8 degrees Fahrenheit. To convert Celsius to Fahrenheit, you can use the following formula:

°F = (°C × 9/5) + 32

Plugging in the value of 21 degrees Celsius into the formula, we get:

(21 × 9/5) + 32 = 69.8°F

Therefore, 21 degrees Celsius is approximately equal to 69.8 degrees Fahrenheit.