140 Celsius is equal to 284 Fahrenheit. To convert Celsius to Fahrenheit, you can use the formula: Fahrenheit = (Celsius x 9/5) + 32. Applying this formula to 140 Celsius, we get:

Fahrenheit = (140 x 9/5) + 32 = 284 Fahrenheit

Therefore, 140 Celsius is equal to 284 Fahrenheit.