Time Unit Converter
Convert seconds, minutes, hours, days, weeks, months and years, including milliseconds and microseconds.
How to use
- 1Enter an amount of time and its unit.
- 2Pick the unit to convert to.
How it's calculated
Converts through seconds. Months and years use Gregorian averages: a year is 365.2425 days and a month is one twelfth of that.
Frequently asked questions
How many seconds are in a day?
86,400 seconds (24 × 60 × 60).
How long is an average month?
About 30.44 days — a Gregorian year (365.2425 days) divided by 12.
How many hours are in a week?
168 hours — 7 days × 24 hours each.