Time math

Time unit converter

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

Inputs

Result

1.5 hours

Fixed units: one day = 24 hours; one week = 7 days.

How to use time unit converter

Convert a quantity between common time units. This is useful for estimates, media lengths, and tasks where a day means exactly 24 hours.

Worked example

90 minutes = 1.5 hours. 2 fixed days = 48 hours = 172,800 seconds.

What the result means

Months and years are omitted because their length depends on the calendar. For calendar changes, use Add or subtract dates.

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Read the calculation conventions →