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Time Converter

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Time Converter

Convert seconds, minutes, hours, days, weeks, and years.

About this converter

Time conversions appear in scheduling, productivity tools, reporting, and software systems. This converter helps bridge short-duration and long-duration units with exact relationships.

The base unit for this converter is second, which lets us map each unit into one consistent formula layer before converting to the target unit.

Quick examples

48 ps to ns0.048 ns
48 ps to us0.000048 us
48 ns to ps48,000 ps
48 ns to us0.048 us
48 us to ps48,000,000 ps
48 us to ns48,000 ns
48 ms to ps48,000,000,000 ps
48 ms to ns48,000,000 ns

Available units

Picosecond

ps

A trillionth of a second.

Also written as picoseconds.

Nanosecond

ns

A billionth of a second.

Also written as nanoseconds.

Microsecond

us

A millionth of a second.

Also written as microseconds.

Millisecond

ms

A thousandth of a second.

Also written as milliseconds, msec, msecs.

Second

s

The SI base unit for time.

Also written as sec, secs, seconds.

Minute

min

A common unit for short durations.

Also written as mins, minutes.

Hour

h

A standard unit for daily scheduling.

Also written as hr, hrs, hours.

Day

d

A unit representing one full day-night cycle.

Also written as days.

Week

wk

A commonly used planning unit.

Also written as weeks.

Month (Julian average)

mo

An average calendar month used for approximate duration conversion.

Also written as month, months.

Year

yr

A long-duration unit used in planning and age calculations.

Also written as year, years, yrs.

Decade

decade

Decade is a long-duration calendar unit.

Century

century

Century is a long-duration calendar unit.

Millennium

millennium

Millennium is a long-duration calendar unit.

Femtosecond

fs

Femtosecond is a very small or specialist time unit.

Attosecond

as

Attosecond is a very small or specialist time unit.

Shake

shake

Shake is a very small or specialist time unit.

Month (Gregorian average)

Gregorian avg mo

Month (Gregorian average) is an astronomical or calendar-based time unit.

Month (synodic)

synodic mo

Month (synodic) is an astronomical or calendar-based time unit.

Year (Gregorian average)

Gregorian avg yr

Year (Gregorian average) is an astronomical or calendar-based time unit.

Year (Julian)

Julian yr

Year (Julian) is an astronomical or calendar-based time unit.

Year (leap)

leap yr

Year (leap) is a long-duration calendar unit.

Year (tropical)

tropical yr

Year (tropical) is an astronomical or calendar-based time unit.

Year (sidereal)

sidereal yr

Year (sidereal) is an astronomical or calendar-based time unit.

Day (sidereal)

sidereal d

Day (sidereal) is an astronomical or calendar-based time unit.

Hour (sidereal)

sidereal h

Hour (sidereal) is an astronomical or calendar-based time unit.

Minute (sidereal)

sidereal min

Minute (sidereal) is an astronomical or calendar-based time unit.

Second (sidereal)

sidereal s

Second (sidereal) is a very small or specialist time unit.

Fortnight

fortnight

Fortnight is a long-duration calendar unit.

Septennial

septennial

Septennial is a long-duration calendar unit.

Octennial

octennial

Octennial is a long-duration calendar unit.

Novennial

novennial

Novennial is a long-duration calendar unit.

Quindecennial

quindecennial

Quindecennial is a long-duration calendar unit.

Quinquennial

quinquennial

Quinquennial is a long-duration calendar unit.

Planck time

Planck time

Planck time is a very small or specialist time unit.

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