22 units · base unit s · T
Time converter
Convert seconds, minutes, hours, days, years and sub-nanosecond units.
1000ms
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1 s = 1000 ms
Show this value in all 22 time units
- Kiloseconds ks 0.001
- Seconds s 1
- Milliseconds ms 1000
- Microseconds µs 1 000 000
- Nanoseconds ns 1 000 000 000
- Picoseconds ps 1 000 000 000 000
- Femtoseconds fs 1 000 000 000 000 000
- Attoseconds as 1e+18
- Minutes min 0.016 666 666 666 7
- Hours h 0.000 277 777 777 778
- Days d 0.000 011 574 074 074 1
- Weeks wk 0.000 001 653 439 153 44
- Fortnights fn 0.000 000 826 719 576 72
- Month (average)s mo 0.000 000 380 264 862 082
- Year (Gregorian)s yr 3.16887385068e-8
- Year (Julian)s a 3.1688087814e-8
- Year (tropical)s a (trop) 3.16887654027e-8
- Decades dec 3.16887385068e-9
- Centuries c 3.16887385068e-10
- Millennia ka 3.16887385068e-11
- Shakes shake 100 000 000
- Planck times tₚ 1.85485843999e+43
Every row is Second (s) converted through the second, in exact rational arithmetic.
Common time conversions
- s → ms
- s → µs
- s → ns
- s → min
- s → h
- s → d
- s → wk
- s → mo
- s → yr
- ms → s
- ms → µs
- ms → ns
- ms → min
- ms → h
- ms → d
- ms → wk
- ms → mo
- ms → yr
- µs → s
- µs → ms
- µs → ns
- µs → min
- µs → h
- µs → d
- µs → wk
- µs → mo
- µs → yr
- ns → s
- ns → ms
- ns → µs
- ns → min
- ns → h
- ns → d
- ns → wk
- ns → mo
- ns → yr
- min → s
- min → ms
- min → µs
- min → ns
- min → h
- min → d
- min → wk
- min → mo
- min → yr
- h → s
- h → ms
- h → µs
- h → ns
- h → min
- h → d
- h → wk
- h → mo
- h → yr
- d → s
- d → ms
- d → µs
- d → ns
- d → min
- d → h
All time units
Each unit expressed in seconds (s), the unit everything in this category converts through.
| Unit | Symbol | System | Value in s |
|---|---|---|---|
| Kilosecond | ks | metric | 1000 |
| Second | s | SI | 1 |
| Millisecond | ms | metric | 0.001 |
| Microsecond | µs | metric | 0.000001 |
| Nanosecond | ns | metric | 0.000000001 |
| Picosecond | ps | metric | 0.000000000001 |
| Femtosecond | fs | metric | 0.000000000000001 |
| Attosecond | as | metric | 0.000000000000000001 |
| Minute | min | other | 60 |
| Hour | h | other | 3600 |
| Day | d | other | 86400 |
| Week | wk | other | 604800 |
| Fortnight | fn | other | 1209600 |
| Month (average) | mo | other | 2629746 |
| Year (Gregorian) | yr | other | 31556952 |
| Year (Julian) | a | astronomical | 31557600 |
| Year (tropical) | a (trop) | astronomical | 31556925.216 |
| Decade | dec | other | 315569520 |
| Century | c | other | 3155695200 |
| Millennium | ka | other | 31556952000 |
| Shake | shake | other | 0.00000001 |
| Planck time | tₚ | atomic | 0.00000000000000000000000000000000000000000005391247 |
About time units
Convert seconds, minutes, hours, days, years and sub-nanosecond units.
Dimensional formula: T. Every conversion on this page goes through the second, using exact fractions rather than decimal approximations. Read how that works →