How do I convert hours to days?

To convert hours to days, divide by 24. For example, 72 hours equals 3 days.

How many seconds are in one hour?

There are 3,600 seconds in one hour.

How do I convert years to decades?

To convert years to decades, divide by 10. For example, 50 years equals 5 decades.

Time Converter | Seconds, Minutes, Hours, Days, Weeks, Years & More

Common Time Conversions

The most frequently searched time conversions: seconds to minutes (divide by 60), minutes to hours (divide by 60), hours to days (divide by 24), days to weeks (divide by 7), weeks to years, and years to decades (divide by 10).

About Time Units

Time is measured in seconds (the SI base unit), with larger units like minutes, hours, days, weeks, months, and years built upon it. Note that "years (with leap)" accounts for leap years on average (365.2425 days per year).

About This Converter

Part of MetricToImperial.com, providing free accurate unit conversions since 2007. Also try the ImperialToMetric.com interactive converter for 100+ unit categories in one place.