User Guide
This conversion tool will convert a period of time duration from one measurement unit to another and display a conversion table.
- Enter the duration of time you would like to convert in the upper input box.
- Select the corresponding unit of time from the upper pull down options.
- Select the unit of time you wish to convert to, from the lower pull down options.
- The converted time period will display in the lower text box.
Conversion Factors
The following units of time converted into seconds (SI units for time) are used by this time conversion tool:
- attosecond (as) – 1 x 10-18 s
- femtosecond (fs) – 1 x 10-15 s
- picosecond (ps) – 1 x 10-12 s
- nanosecond (ns) – 0.000000001 s
- microsecond (µs) – 0.000001 s
- millisecond (ms, msec) – 0.001 s
- second (s, sec) – 1 s
- minute (min) – 60 s
- hour (hr) – 3600 s
- day (d) – 86400 s
- week (wk) – 604800 s
- month* (mo, mth) – 2629746 s
- year* (yr) – 31556952 s
* based on the Gregorian calendar of 365.2425 days in a mean year
