Screen Time Calculator
Daily screen hours turned into days per year.
Enter your values
Enter the phone hours per day you are working with.
Enter the tv & streaming you are working with.
Enter the work screens you are working with.
Enter the years to project you are working with.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Leisure screen days per year
- 83.6 days
- All screens per year
- 190.1 days
- Leisure over 10 years
- 2.29 years
- Hours reclaimed by cutting 1 h/day
- 365 hours per year
Quick answer
Small daily screen habits compound: three hours a day is over 45 days a year.
yearly days = daily hours x 365 / 24
At a glance
| What it does | Daily screen hours turned into days per year. |
|---|---|
| Category | Health |
| Inputs needed | Phone hours per day, TV & streaming, Work screens, Years to project |
| Main output | Leisure screen days per year |
| Formula | yearly days = daily hours x 365 / 24 |
| Cost | Free — no sign-up, no download |
How to use the Screen Time Calculator
- 1Check your device's built-in screen time report for accurate numbers.
- 2Separate work screens from leisure screens.
- 3Pick one habit to trim and re-run the projection.
Inputs explained
- Phone hours per day
- Enter the phone hours per day you are working with.
- TV & streaming
- Enter the tv & streaming you are working with.
- Work screens
- Enter the work screens you are working with.
- Years to project
- Enter the years to project you are working with.
Worked example
Using the values the calculator loads with:
Inputs
- Phone hours per day3.5
- TV & streaming2
- Work screens7
- Years to project10
Results
- Leisure screen days per year83.6 days
- All screens per year190.1 days
- Leisure over 10 years2.29 years
- Hours reclaimed by cutting 1 h/day365 hours per year
Frequently asked questions
Is all screen time equal?
No. Passive scrolling affects mood and sleep more than active or social use.
What is a reasonable target?
Most guidance focuses on protecting the hour before bed rather than a fixed daily cap.
What do I need to enter into the Screen Time Calculator?
Just 4 values: phone hours per day, tv & streaming, work screens, years to project. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Screen Time Calculator work out the answer?
Small daily screen habits compound: three hours a day is over 45 days a year. It applies the formula yearly days = daily hours x 365 / 24 and shows the working so you can check each step by hand.
Is the Screen Time Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.