Time Converter

Convert between nanoseconds, milliseconds, seconds, minutes, hours, days, weeks, months, years and centuries.

What is the Time Converter?

Time can be expressed in many units, from nanoseconds in computing to decades and centuries in history. This converter switches between any of them.

How does it work?

Every unit is defined by an exact factor relative to the second. The value is converted to the second and then to the target unit, so any pair of units can be converted consistently. Results are shown with up to 10 significant digits. Months and years use Gregorian averages (30.44 and 365.2425 days).

Formula

1 hour = 3,600 s
1 day = 86,400 s

Example

2.5 hours = 150 minutes = 9,000 seconds.

Frequently asked questions

Why is a month 30.44 days?

It is the average Gregorian month: 365.2425 days ÷ 12.

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