Calculators & Utilities

Time Unit Converter

Convert durations among milliseconds, seconds, minutes, hours, days and weeks.

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About the Time Unit Converter

The Time Unit Converter treats a day as exactly 24 hours and a week as seven days, making it suitable for durations rather than timezone-aware civil dates.

How to use the Time Unit Converter

  1. Enter the duration.
  2. Select source and target time units.
  3. Convert and attach the target unit to downstream calculations.

Practical tips

  • Use Date Difference for calendar intervals across daylight-saving changes.
  • Milliseconds are useful for browser and API timing values.
Helpful answers

Time Unit Converter FAQs