Time Unit Converter (Seconds, Minutes, Hours)
Enter a value and pick units — the conversion updates instantly.
Your text and files never leave your browser — nothing is sent to a server.
Show all units
- Nanosecond (ns)-
- Microsecond (µs)-
- Millisecond (ms)-
- Second (s)-
- Minute (min)-
- Hour (h)-
- Day (d)-
- Week (wk)-
- Month (average) (mo)-
- Year (average) (yr)-
- Decade (10 yr)-
- Century (100 yr)-
How to use
- Type a number in “Value” and choose the units to convert from and to. Decimals such as 1.5 hours work too.
- Months and years are calendar averages: a year is 365.2425 days and a month is one twelfth of that, 30.436875 days.
- “Show all units” lists the same span in seconds, days, weeks and every other unit at once.
- The page address keeps your value and units, so you can share the link as is.
FAQ
How many minutes are in 1.5 hours?
1.5 × 60 = 90 minutes. To go from minutes to hours, divide by 60.
How many seconds are in a year?
An average Gregorian year (365.2425 days) has 31,556,952 seconds. A plain 365-day year has 31,536,000.
Why is a year 365.2425 days here?
The Gregorian calendar adds 97 leap days every 400 years, so the average year is 365 + 97/400 = 365.2425 days.
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