Time unit converter
Seconds to millennia, with the year ambiguity spelled out rather than hidden.
Precision & format
1 s equals
1,000ms
All 16 units
- Seconds1
- Millisecondms1,000
- Microsecondµs1,000,000
- Nanosecondns1,000,000,000
- Picosecondps1,000,000,000,000
- Minutemin0.01666666667
- Hourh0.0002777777778
- Dayd0.00001157407407
- Weekwk0.000001653439153
- Fortnightfn8.267195767 × 10⁻⁷
- Monthmomean Gregorian3.802648621 × 10⁻⁷
- Yearyrmean Gregorian, 365.2425 d3.168873851 × 10⁻⁸
- Julian yeara (Julian)exactly 365.25 d3.168808781 × 10⁻⁸
- Decadedec3.168873851 × 10⁻⁹
- Centuryc3.168873851 × 10⁻¹⁰
- Millenniumka3.168873851 × 10⁻¹¹
Time conversion table
Every unit expressed in seconds (s), the SI base for this category.
| Unit | Symbol | 1 unit in s |
|---|---|---|
| Second | s | 1 |
| Millisecond | ms | 0.001 |
| Microsecond | µs | 0.000001 |
| Nanosecond | ns | 1 × 10⁻⁹ |
| Picosecond | ps | 1 × 10⁻¹² |
| Minute | min | 60 |
| Hour | h | 3,600 |
| Day | d | 86,400 |
| Week | wk | 604,800 |
| Fortnight | fn | 1,209,600 |
| Monthmean Gregorian | mo | 2,629,746 |
| Yearmean Gregorian, 365.2425 d | yr | 31,556,952 |
| Julian yearexactly 365.25 d | a (Julian) | 31,557,600 |
| Decade | dec | 315,569,520 |
| Century | c | 3,155,695,200 |
| Millennium | ka | 31,556,952,000 |
