13 UNITS
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Convert seconds, minutes, hours, days, weeks, months, years and more. Months and years use the average Gregorian year of 365.2425 days, because calendar months differ in length.
Time units and their values
| Unit | Symbol | Value |
|---|---|---|
| nanoseconds | ns | 1 ns = 1 × 10^-9 s |
| microseconds | µs | 1 µs = 0.000001 s |
| milliseconds | ms | 1 ms = 0.001 s |
| seconds | s | Base unit |
| minutes | min | 1 min = 60 s |
| hours | h | 1 h = 3,600 s |
| days | d | 1 d = 86,400 s |
| weeks | wk | 1 wk = 604,800 s |
| fortnights | fortnight | 1 fortnight = 1,209,600 s |
| months | mo | 1 mo = 2,629,746 s |
| years | yr | 1 yr = 31,556,952 s |
| decades | decade | 1 decade = 315,569,520 s |
| centuries | century | 1 century = 3,155,695,200 s |
Factors come from each unit’s definition and are applied without rounding; the converter shows 7 significant figures.