Time Converter
Convert seconds to multiple time units with precision
About This Tool
This comprehensive time converter transforms seconds into a wide variety of time units, from nanoseconds to millennia. Perfect for developers, scientists, students, and anyone working with time calculations.
For more advanced date and time calculations, try our DateTime Calculator to add or subtract years, months, days, and more. If you need to convert multiple Unix timestamps at once, check out the Batch Timestamp Converter tool.
Explore more unit conversion tools in our Converter tools collection.
Supported Units:
- Sub-second: nanoseconds, microseconds, milliseconds
- Common: minutes, hours, days, weeks
- Calendar: months, years, decades, centuries, millennia
- Specialized: fortnights, quarters, lunar months, sidereal days
Features:
- High precision calculations
- Scientific notation for extreme values
- Copy individual results to clipboard
- Accounts for leap years (365.25 days/year)
All calculations are performed in your browser - no data is sent to servers.
Common Examples
1 Hour
3,600 seconds
1 Day
86,400 seconds
1 Week
604,800 seconds
1 Month (30 days)
2,592,000 seconds
1 Year (365.25 days)
31,557,600 seconds
1 Decade
315,576,000 seconds