Time Converter

Convert a time measurement using the conversion calculator below.
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More Time Conversion Calculators

See a complete list of conversion calculators for each unit of time by selecting one below.

Measuring Time

Time is the measurement of the sequence and duration of events occurring in the past, present, and future. Time is a nonspatial continuum that is measured in terms of events which succeed one another from past through present to future.[1]

Calendars, clocks and watches are all instruments for measuring time. Calendars are used to measure years, months, and days, while clocks are used to measure hours, minutes, and seconds.

A year is equal to 12 months, a month is equal to 28-31 days, a day is equal to 24 hours, an hour is equal to 60 minutes, and a minute is equal to 60 seconds.

Icon showing a clock to convey time

The table below compares common measures of time. Use the unit conversion tools above to convert from one unit of time to another unit of time.

Units of Time Measurement

Units of time include centuries, decades, years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, and nanoseconds.

Time Unit Conversion Table

Equivalent time duration values
Convert From Century Decade Year Month Week Day Hour Minute Second Millisecond Microsecond Nanosecond
1 century = 1 10 100 yr 1,200 mo 5,218 wk 36,524 day 876,582 hr 52,594,920 min 3,155,695,200 sec 3,155,695,200,000 ms 3,155,700,000,000,000 µs 3,155,700,000,000,000,000 ns
1 decade = 0.1 1 10 yr 120 mo 521.775 wk 3,652 day 87,658 hr 5,259,492 min 315,569,520 sec 315,569,520,000 ms 315,570,000,000,000 µs 315,570,000,000,000,000 ns
1 year = 0.01 0.1 1 yr 12 mo 52.1775 wk 365.2425 day 8,766 hr 525,949 min 31,556,952 sec 31,556,952,000 ms 31,556,952,000,000 µs 31,557,000,000,000,000 ns
1 month = 0.000833 0.008333 0.083333 yr 1 mo 4.348125 wk 30.436875 day 730.485 hr 43,829 min 2,629,746 sec 2,629,746,000 ms 2,629,746,000,000 µs 2,629,700,000,000,000 ns
1 week = 0.000192 0.001917 0.019165 yr 0.229984 mo 1 wk 7 day 168 hr 10,080 min 604,800 sec 604,800,000 ms 604,800,000,000 µs 604,800,000,000,000 ns
1 day = 0.000027379 0.000274 0.002738 yr 0.032855 mo 0.142857 wk 1 day 24 hr 1,440 min 86,400 sec 86,400,000 ms 86,400,000,000 µs 86,400,000,000,000 ns
1 hour = 0.0000011408 0.000011408 0.000114 yr 0.001369 mo 0.005952 wk 0.041667 day 1 hr 60 min 3,600 sec 3,600,000 ms 3,600,000,000 µs 3,600,000,000,000 ns
1 minute = 0.000000019013 0.00000019013 0.0000019013 yr 0.000022816 mo 0.000099206 wk 0.000694 day 0.016667 hr 1 min 60 sec 60,000 ms 60,000,000 µs 60,000,000,000 ns
1 second = 0.00000000031689 0.0000000031689 0.000000031689 yr 0.00000038026 mo 0.0000016534 wk 0.000011574 day 0.000278 hr 0.016667 min 1 sec 1,000 ms 1,000,000 µs 1,000,000,000 ns
1 millisecond = 0.00000000000031689 0.0000000000031689 0.000000000031689 yr 0.00000000038026 mo 0.0000000016534 wk 0.000000011574 day 0.00000027778 hr 0.000016667 min 0.001 sec 1 ms 1,000 µs 1,000,000 ns
1 microsecond = 0.00000000000000031689 0.0000000000000031689 0.000000000000031689 yr 0.00000000000038026 mo 0.0000000000016534 wk 0.000000000011574 day 0.00000000027778 hr 0.000000016667 min 0.000001 sec 0.001 ms 1 µs 1,000 ns
1 nanosecond = 0.00000000000000000031689 0.0000000000000000031689 0.000000000000000031689 yr 0.00000000000000038026 mo 0.0000000000000016534 wk 0.000000000000011574 day 0.00000000000027778 hr 0.000000000016667 min 0.000000001 sec 0.000001 ms 0.001 µs 1 ns

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References

  1. Merriam-Webster, time, https://www.merriam-webster.com/dictionary/time

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