Time converter

Convert durations between milliseconds, seconds, minutes, hours, days, weeks, months and years. Months and years use the average Gregorian calendar of 365.2425 days per year.

1 s = 0.000001653439 wk Open full converter β†’

Time units

  • Millisecond (ms) β€” The millisecond (ms) is a unit of time in the International System of Units (SI). 1 millisecond equals 0.001 seconds. This value is exact by definition.
  • Second (s) β€” The second (s) is a unit of time in the International System of Units (SI). It is the reference unit for all time conversions on this site.
  • Minute (min) β€” The minute (min) is a metric unit of time accepted for use with the SI. 1 minute equals 60 seconds. This value is exact by definition.
  • Hour (h) β€” The hour (h) is a metric unit of time accepted for use with the SI. 1 hour equals 3,600 seconds. This value is exact by definition.
  • Day (d) β€” The day (d) is a metric unit of time accepted for use with the SI. 1 day equals 86,400 seconds. This value is exact by definition.
  • Week (wk) β€” The week (wk) is a unit of time. 1 week equals 604,800 seconds. This value is exact by definition.
  • Month (mo) β€” The month (mo) is a unit of time. 1 month equals 2,629,746 seconds. Based on the average Gregorian year of 365.2425 days.
  • Year (yr) β€” The year (yr) is a unit of time. 1 year equals 31,556,952 seconds. Based on the average Gregorian year of 365.2425 days.

All 56 time conversions