This free calculator will find the conversion between units of Duration.
| Millennium | Time Period Of 1000 Years | |
|---|---|---|
| Century | Unit Of Time Lasting 100 Years | |
| Decade | Period Of 10 Years | |
| Julian Year | a | Unit Of Time And A Version Of The Year Often Used In Astronomy |
| Gregorian Year | y | Unit Of Time |
| Tropical Year | Period Of Time For The Ecliptic Longitude Of The Sun To Increase 360° | |
| Year | a | Estimated Period Of Time For The Earth's Orbit Around The Sun And Observed At A Fixed Geographic Point (Averaging 365.24 Days); Base Later Modified To Define Or Adjust Various Calendars |
| Month | Irregular Unit Of Time Dividing A Calendar Year | |
| Fortnight | Time Period Of Two Weeks | |
| Day | d | Unit Of Time Lasting 24 Hours, Derived From The Period Of Earth's Rotation About Its Axis |
| Hour | h | Unit Of Time |
| Minute | min | Unit Of Time |
| Week | Unit Of Time | |
| Second | s | Si Unit Of Time, Defined As 9 192 631 770 Periods Of The Ground-State Hyperfine Transitions Of Caesium-133 |
| Millisecond | ms | Si Unit Of Time |
| Microsecond | μs | Si Unit Of Time |
| Nanosecond | ns | Si Unit Of Time |