Sunscreen Calculator Tool December 28, 2025 Waterlily Get personalized sunscreen recommendations based on your skin type, sun exposure, and activity. 1. Select your skin type: -- Select -- Oily Dry Combination Sensitive-Prone 2. How long will you be exposed to the sun? (hours) 3. What type of activity? -- Select -- Indoor Outdoor / Walking Swimming / Water sports Exercise / Sweating 4. SPF of your sunscreen (if you have one): Calculate My Sunscreen Needs ⚠️ This tool is for educational purposes only. Follow sunscreen labels and consult a dermatologist if needed.