what's seventy degrees fahrenheit
= (70 - 32) x 5/9. = 21.1111 degrees Celsius. 70 degrees Fahrenheit = 21.1 degrees Celsius. Exactly 70 Â°F is equal to about 21.1 Â°C <br /> <br /> The conversion formula is : <br /> Â°C = (Â°F - 32) x 5/9 <br /> = (70 - 32) x 5/9 <br /> = 21.1111 degrees Celsius <br /> 70 degrees Fahrenheit = 21.1 degrees Celsius.