How Much Sunscreen Do I Need?

Internationally agreed upon procedures state that sunscreens only achieve their advertised SPFs when applied with a thickness of 2 mg per square centimeter of skin. Follow the instructions below to see exactly how much sunscreen you need to apply based on your body’s surface area.

Please enter your information below

Age    years
Height    ft. inches
Weight    lbs.
Type   
 Lotion     Spray
Next

Click the sections of the model to indicate which parts of your body will be exposed. Red indicates exposed skin, and blue indicates covered skin.

Select All
Front
Back
Calculate

Spray

Head/Neck
0 sec(s)
Front Torso
0 sec(s)
Back Torso
0 sec(s)
Right Leg
0 sec(s)
Left Leg
0 sec(s)
Right Arm
0 sec(s)
Left Arm
0 sec(s)

Apply

Head/Neck
0 pump(s)
Front Torso
0 pump(s)
Back Torso
0 pump(s)
Right Leg
0 pump(s)
Left Leg
0 pump(s)
Right Arm
0 pump(s)
Left Arm
0 pump(s)