Time Unit Converter

Convert durations between units from nanoseconds to millennia.

How to use this tool

Convert durations between nanoseconds, seconds, minutes, hours, days, months, and larger units.

Steps

  1. Enter a duration.
  2. Choose the source time unit.
  3. Review equivalents in the remaining units.

Useful for

  • Schedule planning
  • Programming
  • Educational exercises

Limits and accuracy

  • Months and years use fixed conversion factors.
  • For date-specific intervals, account for varying month lengths and leap years.

Privacy

Conversion happens only in the browser.