ISO 8601 Duration Parser - Free, Instant, In Your Browser
Enter an ISO 8601 duration (e.g. P3Y6M4DT12H30M5S) to see it broken down into years, months, days, hours, minutes, and seconds.
How to use Iso8601 Duration Parser
- 1Paste your text or data into the input box above.
- 2Iso8601 Duration Parser runs instantly, right in your browser.
- 3Copy the result or use it directly.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
What's the formula?
Years and months use average calendar lengths (365.25 and 30.44 days) since ISO 8601 durations aren't tied to a specific start date.
Is my data sent to a server?
No - everything runs entirely in your browser with JavaScript. Nothing is uploaded.