Convert tools

Duration Unit Converter

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

Convert in your browser · No sign-up

A day is exactly 24 hours and a week exactly 7 days here. Calendar months and daylight-saving changes are not durations of fixed length.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

How to use

  1. Convert milliseconds, seconds, minutes, hours, days and weeks.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Example

1 d = 24 h

Details and limitations

A day is exactly 24 hours and a week exactly 7 days here. Calendar months and daylight-saving changes are not durations of fixed length.

Text stays in your browser; it is not sent to a conversion server.

FAQ

Duration Unit Converter — What are the supported inputs and limits?

A day is exactly 24 hours and a week exactly 7 days here. Calendar months and daylight-saving changes are not durations of fixed length.

Format references

Tool page updated: