Sun Exposure Calculator
Sun Exposure
Calculate safe sun exposure time based on your skin type, UV index, and sunscreen usage
Formula
Safe Time = Base Minutes for Skin Type / UV Index; Protected Time = Safe Time x SPF x 0.6
Frequently Asked Questions
How long can I stay in the sun without burning?
It depends on your skin type and UV index. Fair skin (Type I) may burn in as little as 5 to 10 minutes at high UV, while darker skin types can tolerate much longer.
Does sunscreen fully protect from UV?
Sunscreen extends your safe exposure time but does not block 100 percent of UV rays. SPF 30 blocks about 97 percent of UVB rays when applied correctly.
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