Time Converter
Convert seconds, minutes, hours, days, weeks, months and years.
Fixed and average units
Seconds, minutes, hours, days and weeks have fixed lengths: 60 seconds in a minute, 60 minutes in an hour, 24 hours in a day and 7 days in a week. Months and years vary, so this tool uses averages.
Averages used
- 1 year = 365.2425 days, the average length of the Gregorian calendar year
- 1 month = 1/12 of that, about 30.44 days
Example
1 day is 24 hours, 1,440 minutes or 86,400 seconds. For exact calendar spans between two dates, use the date calculator.
Frequently asked questions
How many seconds are in a day?
86,400.
Why is a month not exactly 30 days?
Months range from 28 to 31 days, so the average is used here, about 30.44 days.
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