Convert duration to H-M-S format

Is there a convenient way to convert a duration to H-M-S format? For example, I would like to write something like this:

```fend 1.862 hours to hms```

... and get something like this:

```1 hour 51 minutes 43.2 seconds```

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Does this feature exist? If so, how do you use it? If not, please see this as a feature request.

Love and much thanks for making this great tool!