ml2oz

🌦️ 地球與天氣

日光浴計算器

Pick your skin type, the UV index, and your SPF to see how long you can safely stay out.

Result will appear here

免責聲明: An estimate only — sun sensitivity varies. Reapply sunscreen regularly.

公式

safe time = (skin burn time × 6 ÷ UV index) × SPF, capped at 2 hours