Time Converter

Convert seconds to multiple time units with precision

Converter
Time
Calculator

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.

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