Time Converter
Convert between seconds, minutes, hours, days, years, and more.
6 decimals
1 s = 0.016667 min
About the time converter
Convert time between seconds and longer durations — minutes, hours, days, weeks, months, and years. The second is the SI base unit of time, defined by the cesium-133 atomic transition frequency. This converter is helpful for working with frequencies, durations, and time-based scientific calculations.
Frequently asked questions
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How many seconds are in a day?
Exactly 86,400 seconds.
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How many seconds are in a year?
Approximately 31,557,600 seconds, using the Julian year of 365.25 days.
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How many minutes are in a week?
Exactly 10,080 minutes (7 × 24 × 60).
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What is the SI base unit of time?
The second (s), defined by the radiation frequency of the cesium-133 atom.
More common converters
Complete list of time units
- Second [s]