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How old are you?

Every year of sun exposure adds to your total UV load — even cloudy days count.

Your age Continue

02 / 04

Where have you lived most of your life?

UV intensity varies threefold between climates. Where you’ve been is one of the biggest factors in your lifetime sun exposure.

Your region Select your region Hawaii Southwest — AZ, NM, NV Florida Texas Southeast — GA, SC, NC, AL, MS, LA Mountain West — CO, UT, ID, MT, WY Southern California Northern California Great Plains — KS, NE, OK, ND, SD Midwest — IL, OH, MI, IN, MN, WI Mid-Atlantic — NY, NJ, PA, MD, VA, DC New England — MA, CT, RI, NH, VT, ME Pacific Northwest — WA, OR Alaska Caribbean / Central America / Mexico Equatorial / Tropical Australia / New Zealand Mediterranean — Spain, Italy, Greece Middle East / North Africa South Asia — India, Pakistan East Asia — China, Japan, Korea South America Northern Europe — UK, Scandinavia Central / Eastern Europe Continue Back

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Hours a day in the sun?

Think about your average across your whole life — not just today. Include commuting, outdoor workouts, yard work, beach time, eating outside — any time you’re in daylight.

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How often do you wear sunscreen?

Be real with yourself — your results will be more revealing.

Calculate my Sun Debt Back

A lot of lifetime sun exposure comes from the little things — commutes, errands, afternoons outside — that add up over years without anyone keeping score.

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Educational estimate only. Not a medical diagnosis.

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