Time Unit Converter
Convert between nanoseconds, milliseconds, seconds, minutes, hours, days, and years.
Nanosecond (ns)
3.60000e+12
Microsecond (μs)
3600000000
Millisecond (ms)
3600000
Second (s)
3600
Minute (min)
60
Hour (h)
1
Day (d)
0.0416666667
Week (wk)
0.00595238095
Month (avg)
0.00136892539
Year (yr)
1.14077e-4
Decade
1.14077e-5
Century
1.14077e-6
About This Tool
The Time Unit Converter converts between nanoseconds, microseconds, milliseconds, seconds, minutes, hours, days, weeks, months, years, decades, and centuries.
Enter a value and select the source unit — all unit conversions update instantly. All processing happens in your browser.
How to Use
- Enter the numeric value to convert.
- Select the source unit from the dropdown.
- All converted values update instantly in the results grid.
- Very large or very small values are displayed in exponential notation.
Use Cases
Developers convert API timestamps to human-readable units. Students convert time units in physics problems. Programmers convert millisecond timeouts to seconds.
FAQ
- How many seconds are in a year? — This tool uses the Julian year (365.25 days = 31,557,600 seconds).
- How is one month calculated? — One month is 1/12 of a Julian year, approximately 2,629,800 seconds (30.44 days).
- Can it handle very large or very small numbers? — Yes. Values smaller than 0.001 or larger than 10¹⁰ are automatically displayed in exponential notation.