Here's how to convert 70 degrees Fahrenheit to Celsius:

Formula:

Celsius = (Fahrenheit - 32) * 5/9

Calculation:

* Celsius = (70 - 32) * 5/9

* Celsius = 38 * 5/9

* Celsius = 21.11 (approximately)

Therefore, 70 degrees Fahrenheit is approximately 21.11 degrees Celsius.