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Converters

Time Converter

Convert durations between time units. Months and years do not have fixed lengths, so this converter uses a 30-day month and a 365-day year — stated openly, because a converter that hides that assumption will disagree with a calendar.

hours to minutes

60 min

1 h converted

1 h equals
60 min
Conversion factor
Exact by definition

Worth knowing

  • Months and years vary in length. The values here use a fixed 30-day month and 365-day year, which is stated on each result rather than hidden — for exact calendar differences use the Date Difference Calculator.

How to use this tool

  1. Enter the duration you want to convert.
  2. Choose the units you have and the units you want.

Notes and limitations

  • Months and years vary in length. This converter uses a fixed 30-day month and a 365-day year, which is fine for rough durations but wrong for calendar arithmetic.
  • For an exact number of days between two real dates, including leap years, use the Date Difference Calculator instead.
  • Leap seconds are not modelled. They matter only for precision timekeeping, not for everyday durations.

Frequently asked questions

How many seconds are in a day?

86,400 — that is 24 hours × 60 minutes × 60 seconds.

How many hours are in a week?

168, which is 7 days × 24 hours.

Why does this use a 30-day month?

Because a month has no fixed length — they run from 28 to 31 days. A converter has to pick one, and 30 is the usual convention. When the exact figure matters, use the Date Difference Calculator on real dates.

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