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Time Converter
Convert between milliseconds, seconds, minutes, hours, days, weeks, months, years, decades and centuries — instantly and precisely.
Conversion Formula
1 min = 60 s · 1 h = 3,600 s · 1 day = 86,400 s · 1 year (Julian) = 31,557,600 s
Common Time Converter Reference
| From | Equals | Also |
|---|
| 1 min | 60 s | 0.016667 h |
| 1 h | 3,600 s | 60 min |
| 1 day | 86,400 s | 24 h |
| 1 week | 604,800 s | 168 h |
| 1 month (avg) | 2,629,800 s | 730.5 h |
| 1 year (Julian) | 31,557,600 s | 365.25 days |
How to Convert Time
- Enter the value you want to convert.
- Choose the From unit.
- Choose the To unit.
- Click Convert to see the result instantly.
Frequently Asked Questions
How many seconds are in an hour?+
1 hour = 3,600 seconds (exact).
How many hours are in a year?+
A common year has 8,760 hours. A leap year has 8,784 hours.
How many days are in a leap year?+
366 days — one extra day (February 29) compared with a common year.
What is a Julian year?+
A Julian year = 365.25 days = 31,557,600 seconds. Used in astronomy as the standard unit of time.
How many weeks are in a month?+
On average 4.345 weeks per month.
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