Sun Safety • Everyday Wellness & Ergonomics
✓ Medically Reviewed by Dr. Priya Sammani (MBBS, Medical Officer)
✓ Medically Reviewed by Dr. Priya Sammani (MBBS, Medical Officer)
UV Sunscreen Reapplication Timer & Calculator
UV index sunscreen timer. Calculate how long your sunscreen lasts based on UV index, SPF, and your Fitzpatrick skin type.
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❓ Frequently Asked Questions
How often should I reapply sunscreen?
If you are outside, reapply every 2 hours, or after swimming and sweating. The power of SPF decreases not with time, but with exposure to the sun.
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⚠️ Important: Medical Disclaimer: This clinical calculator provides educational estimates and does not replace a consultation with a qualified physician.