The Time Converter converts between units of time — milliseconds, seconds, minutes, hours, days, weeks, months, and years. Enter a value, choose the units, and see the result instantly, with a table of your value in every unit.
It is handy for scheduling, project planning, and quick calculations. Months and years use average lengths (30.44 days and 365.25 days). Everything is calculated in your browser.
How to convert time
- Enter the time value.
- Select the unit to convert from and the unit to convert to.
- Read the result instantly, or press Swap to reverse.
- See the value in every unit in the table below.
Common time conversions
- 1 hour = 60 minutes = 3,600 seconds
- 1 day = 24 hours = 1,440 minutes
- 1 week = 7 days = 168 hours
- 1 year ≈ 365.25 days (average)
Frequently Asked Questions
How many minutes are in a day?
There are 1,440 minutes in a day (24 hours × 60 minutes). Enter the value and select the units to convert instantly.
How many seconds are in an hour?
There are 3,600 seconds in an hour (60 minutes × 60 seconds).
How are months and years calculated?
Because months and years vary in length, the converter uses averages: a month is 30.44 days and a year is 365.25 days. For exact date differences, use a date difference calculator instead.