The general requirement of various body parts is:
2.9 ml for each arm.
5.8 ml for each leg.
12 ml for the torso, front, and back.
0.35 ml for the face.
Sum them all together.
The result is the amount of sunscreen you need for your entire body, including your face.
It is approximately 29.75 ml.
Remember, this is a generalization. Your particular need may vary, and for that, we suggest using a tool like our sunscreen calculator for accuracy. Read more