21 °C to Fahrenheit
21 °C = 69.8 °F
Formula
°F = °C × 9/5 + 32 21 × 9/5 + 32 = 69.8 °F
A quick mental estimate is to double and add 30: 21 °C ≈ 72 °F.
Nearby values
Frequently asked questions
What is 21 °C in Fahrenheit?
21 °C is 69.8 °F.
How do you convert Celsius to Fahrenheit?
Multiply by 9, divide by 5, then add 32.