Time Unit Converter

Enter a value and select a starting unit to see all available conversion results.

Time Units and Descriptions

Below are descriptions and historical context for each Time unit available in this converter.

Microsecond (µs)

One microsecond, used in high-speed electronics and precision timing applications.

Millisecond (ms)

One millisecond, commonly used in computing and reaction time measurements.

Second (s)

The second is the SI base unit of time. Originally 1/86400 of a day, now defined by atomic transitions.

Minute (min)

Minute comes from Latin 'pars minuta prima' (first small part). 60 seconds since ancient Babylon.

Hour (h)

Hour derives from Greek 'hora'. 24-hour day system established by ancient Egyptians.

Day (d)

Day based on Earth's rotation. Solar day varies slightly; mean solar day used for timekeeping.

Week (wk)

Week of seven days has ancient origins, possibly from lunar phases or biblical creation story.

Month (mo)

Month from Latin 'mensis' (moon). Calendar months vary from 28-31 days, averaging 30.44 days.

Year (yr)

Year based on Earth's orbit around the Sun. Gregorian calendar year averages 365.2425 days.

Base Unit Conversion Factors

The table below shows the conversion factors from each unit to the base unit, which is the Second (s).

  • 1 Second (s) = 1000000 Microsecond (µs)
  • 1 Second (s) = 1000 Millisecond (ms)
  • 1 Second (s) = 1 Second (s)
  • 1 Second (s) = 0.016666666666667 Minute (min)
  • 1 Second (s) = 0.00027777777777778 Hour (h)
  • 1 Second (s) = 1.1574074074074E-5 Day (d)
  • 1 Second (s) = 1.6534391534392E-6 Week (wk)
  • 1 Second (s) = 3.8026486208174E-7 Month (mo)
  • 1 Second (s) = 3.1688738506811E-8 Year (yr)