Screen Time Calculator
Log your daily device usage across all screens and get personalized wellness insights to build healthier digital habits.
Enter the number of hours and minutes you spend on each device per day:
Enter how much time you spend on each type of activity across all devices:
📊 Your Screen Time Analysis
Based on age — estimated remaining years (avg. life expectancy: 79)
🎂 Enter your age above to see your lifetime screen time projection
Based on of screen time, you should take eye breaks today. Total recommended break time: .
💡 Tips to Reduce Screen Time
- •Use your device's built-in screen time tracking to set daily app limits.
- •Enable grayscale mode on your phone — color screens are more addictive.
- •Create screen-free zones: bedroom, dining table, and the first hour after waking.
- •Use Night Shift / Blue Light filter 2 hours before bedtime to protect sleep.
- •Schedule intentional offline activities: walks, reading physical books, or hobbies.
💡 How to Use This Tool
Track your complete daily screen time across all devices in under a minute. Follow these simple steps:
Choose Your Mode
Select "By Device" to track per device or "By Category" to track by activity type (work, social media, entertainment, etc.).
Enter Your Daily Usage
For each device or category, enter the hours and minutes you typically use it per day. You can also add custom devices.
Calculate
Click "Calculate Screen Time" to get your wellness status, weekly/yearly projections, and eye break recommendations.
Review & Act
Review your usage breakdown chart, wellness rating, and personalized tips to build healthier digital habits.
📖 About Screen Time Calculator
What is a Screen Time Calculator?
A Screen Time Calculator helps you measure, understand, and manage the total time you spend on digital devices each day. By logging usage across your smartphone, tablet, computer, TV, and gaming console, you get a comprehensive picture of your digital habits — the first step toward building a healthier relationship with technology.
Why Track Screen Time?
According to research, the average adult spends 6–9 hours per day looking at screens. Excessive screen exposure has been linked to:
- Eye strain (CVS): Dry eyes, blurred vision, and headaches from prolonged display exposure
- Sleep disruption: Blue light suppresses melatonin production, making it harder to fall asleep
- Mental fatigue: Constant notifications and information overload exhaust cognitive resources
- Posture problems: Poor ergonomics during long device sessions cause neck and back pain
- Reduced focus: Frequent screen switching fragments attention and reduces deep work capacity
Common Use Cases
- Parents: Monitor and set limits for children's device usage across different apps and platforms
- Remote workers: Balance productive screen time (work) vs. recreational time
- Students: Manage study vs. entertainment screen time for better academic results
- Digital wellness seekers: Identify and reduce compulsive social media or gaming habits
- Health-conscious users: Protect eye health by tracking exposure duration
Healthy Screen Time Guidelines
By Age Group (WHO & AAP Recommendations)
- Under 2 years: No screen time except video calls
- 2–5 years: Maximum 1 hour per day of high-quality content
- 6–12 years: Consistent limits; prioritize sleep, physical activity, and face-to-face interaction
- Teens: Balance is key — limit recreational use to 2–3 hours; academic use may be higher
- Adults: Aim for less than 6 hours total; take regular breaks using the 20-20-20 rule
The 20-20-20 Rule
Every 20 minutes of screen time, look at something 20 feet away for 20 seconds. This reduces eye muscle fatigue and helps prevent Computer Vision Syndrome (CVS).
Key Features
Multi-Device Tracking
Log time separately for each device type — phone, tablet, computer, TV, and gaming consoles — to see where your screen hours are actually going.
Category Breakdown
Organize screen time by activity: work/productivity, social media, entertainment, gaming, and education. This reveals which categories dominate your digital life.
Wellness Analysis
Get personalized insights based on your total usage: whether you're in the healthy range, moderate zone, or should consider reducing screen time.
Break Calculator
Find out how many 20-20-20 breaks you should take based on your total screen time, plus recommended total break duration.
Privacy & Security
All calculations happen entirely in your browser using JavaScript. No usage data is saved to any server or shared with third parties. Your screen time data stays completely private on your device — we never track what you track.
❓ Frequently Asked Questions
Version History
Initial release with multi-device tracking, category breakdown, wellness analysis, and break calculator.
Apr 04, 2026
Raakkan (Sankar)
AI-driven Full Stack Developer
Indie developer from Tamil Nadu building fast, privacy-first web tools. Creator of Lovable Tools — a growing collection of free utilities and AI-powered tools.