Standard Tools
Time Converter.
Convert milliseconds, seconds, minutes, hours, days, weeks, months, and years.
Units Defined in Time
Below is the complete registry of units supported within the conversion tool.
Millisecond
ms, millisecond, millisecondsOne-thousandth of a second.
Second
s, sec, second, secondsThe base SI unit of time.
Minute
min, minute, minutesSixty seconds.
Hour
h, hr, hour, hoursSixty minutes, or 3,600 seconds.
Day
d, day, daysTwenty-four hours. Represented as exactly 86,400 seconds.
Week
wk, week, weeksSeven days or 168 hours.
Month
mo, month, monthsDefined as average calendar length (30.436875 days or 1/12 of a Julian year).
Year
yr, year, yearsDefined as a Julian year of exactly 365.25 days of 86,400 seconds.
Popular Time Conversions
In-depth guides with formulas, worked examples, and practical tips.
All Time Conversions
Every supported unit pair. Each opens the instant calculator above with the units pre-selected.
Millisecond to Second (ms to s) Millisecond to Minute (ms to min) Millisecond to Hour (ms to h) Millisecond to Day (ms to d) Millisecond to Week (ms to wk) Millisecond to Month (ms to mo) Millisecond to Year (ms to yr) Second to Millisecond (s to ms) Second to Minute (s to min) Second to Hour (s to h) Second to Day (s to d) Second to Week (s to wk) Second to Month (s to mo) Second to Year (s to yr) Minute to Millisecond (min to ms) Minute to Hour (min to h) Minute to Day (min to d) Minute to Week (min to wk) Minute to Month (min to mo) Minute to Year (min to yr) Hour to Millisecond (h to ms) Hour to Second (h to s) Hour to Day (h to d) Hour to Week (h to wk) Hour to Month (h to mo) Hour to Year (h to yr) Day to Millisecond (d to ms) Day to Second (d to s) Day to Minute (d to min) Day to Week (d to wk) Day to Month (d to mo) Day to Year (d to yr) Week to Millisecond (wk to ms) Week to Second (wk to s) Week to Minute (wk to min) Week to Hour (wk to h) Week to Day (wk to d) Week to Month (wk to mo) Week to Year (wk to yr) Month to Millisecond (mo to ms) Month to Second (mo to s) Month to Minute (mo to min) Month to Hour (mo to h) Month to Day (mo to d) Month to Week (mo to wk) Month to Year (mo to yr) Year to Millisecond (yr to ms) Year to Second (yr to s) Year to Minute (yr to min) Year to Hour (yr to h) Year to Day (yr to d) Year to Week (yr to wk) Year to Month (yr to mo)
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