Sunscreen Amount Calculator
Find out how much sunscreen you need for full-body coverage based on the two-finger rule and body areas.
Select body areas to protect
Sunscreen Needed -- ml
Reapply every 2 hours, and after sweating or swimming.
Two-finger rule: squeeze sunscreen along two fingers for each face area. A practical alternative for the face only.
Amount based on the standard 2 mg/cm² concentration required to achieve the labelled SPF value.
This is general information, not medical advice. Speak to a licensed provider for a personal assessment.