Converters
Time Unit Converter
Enter a value once, pick its unit, and see it converted to every other time unit β seconds, minutes, hours, days, weeks, months, years β instantly.
Converted to all time units
Tip: click any row to make that unit the input.
How It Works
Every unit is converted through the second (s), the SI unit of time. Month and year use the Julian calendar average: 1 year = 365.25 days and 1 month = 1/12 year = 30.4375 days.
Example
90 minutes = 5,400 s = 1.5 hours = 0.0625 days
Frequently Asked Questions
How do I convert between two specific units?
Enter your value, select the unit it's in from the "From unit" dropdown, and read the result off the row for the unit you want. Clicking a row makes that unit the new input, so you can chain conversions.
How long is a month in this converter?
Months vary from 28 to 31 days, so this tool uses the average month: 1/12 of a Julian year = 30.4375 days. For exact date math, use our date calculators.
Why 365.25 days per year?
That's the Julian year, the standard average that accounts for leap years. A calendar year is 365 or 366 days.
Are the conversion factors exact?
Second through week are exact by definition. Month and year use the Julian average (365.25 days/year), a convention β real calendar months and years vary. Displayed results are rounded for readability.