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.

Click the sections of the model to indicate which parts of your body will be exposed. The red color represents exposed skin, and the blue represents covered skin. Next, enter your height, weight, and age. Press "Calculate" and your results will appear as teaspoon values in the table below.

Front
Back

Information

Height: ft. inches
Weight: lbs.
Age: years
Calculate

Results

Head/Neck................ 0 tsp
Front Torso................ 0 tsp
Back Torso................. 0 tsp
Right Leg................... 0 tsp
Left Leg..................... 0 tsp
Right Arm.................. 0 tsp
Left Arm..................... 0 tsp