Blue Light Exposure Calculator

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📱 Blue Light Exposure Calculator

Estimate your daily blue light exposure from digital devices

Computer/Laptop (hours/day) Work or personal computer use

Smartphone (hours/day) Browsing, social media, messaging

Tablet/E-reader (hours/day) iPad, Kindle, etc.

TV/Monitor (hours/day) Entertainment, gaming, streaming

LED/Fluorescent Lighting (hours/day) Office or home LED lights exposure

Do you use night mode/blue light filter?

Do you use screens within 2 hours of bedtime?

0 Blue Light Units/Day

Exposure Breakdown

Understanding Your Results

Recommendations

About Blue Light

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Natural Source

Sunlight is the largest source of blue light. Digital devices emit much smaller amounts.

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Sleep Impact

Blue light suppresses melatonin production, which can affect your sleep quality.

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Research Status

Long-term eye damage from screen blue light is not conclusively proven, but reducing exposure before bed is beneficial.

Medical Disclaimer: This calculator provides estimates for educational purposes. Blue light exposure levels are approximations. Consult an eye care professional for personalized advice.