# How volume stat works with respect to the car storage values?

**URL:** <https://discourse.cataclysmdda.org/t/how-volume-stat-works-with-respect-to-the-car-storage-values/12664>\
**Category:** The Bunker\
**Created:** [October 3, 2016, 12:09pm UTC](https://discourse.cataclysmdda.org/t/how-volume-stat-works-with-respect-to-the-car-storage-values/12664 "2016-10-03T12:09:09Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![PlasmaChroma](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/plasmachroma/32/581_2.png) [@PlasmaChroma](https://discourse.cataclysmdda.org/u/PlasmaChroma)\
**Post date:** [October 3, 2016, 12:09pm UTC](https://discourse.cataclysmdda.org/t/how-volume-stat-works-with-respect-to-the-car-storage-values/12664/1 "2016-10-03T12:09:09Z")

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OK, I have looked everywhere I can think of, the wiki, searching these forums, in-game ?, and I’ve come up completely empty handed on how to square (or cube) these 2 numbers out.

Why is it that my car’s trunk says Vol: 650 on the examine screen, yet when I actually dump my items into it I’m left with only a quarter of that number (meaning 162.5 L)?

Am I misunderstanding the units here somehow? Is there some kind of swap between metric and imperial units that gives this 25% ratio that isn’t obvious?

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**Author:** ![Hibou](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/hibou/32/1330_2.png) [@Hibou](https://discourse.cataclysmdda.org/u/Hibou)\
**Post date:** [October 3, 2016, 5:09pm UTC](https://discourse.cataclysmdda.org/t/how-volume-stat-works-with-respect-to-the-car-storage-values/12664/2 "2016-10-03T17:09:15Z")

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I think the issue is that cars are still using the old volume measurement where 1 volume was equal to a quarter liter. We’re still ironing out the problems with moving over to full liters.

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**Author:** ![PlasmaChroma](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/plasmachroma/32/581_2.png) [@PlasmaChroma](https://discourse.cataclysmdda.org/u/PlasmaChroma)\
**Post date:** [October 3, 2016, 6:02pm UTC](https://discourse.cataclysmdda.org/t/how-volume-stat-works-with-respect-to-the-car-storage-values/12664/3 "2016-10-03T18:02:28Z")

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I think you are correct Hibou. Intuitively I didn’t think 250ml units made sense for anything but from what I’ve seen I guess the old system quite literally was in quarter litres. So basically the system is still in transition from legacy volumes.

```auto
generic_factory.h
1001: // Currently JSON data contains volume in 250ml units.
1002: // TODO: change JSON to contain milliliter values.
```

```auto
vehicle_parts.json
{
        "type" : "vehicle_part",
        "id" : "trunk",
        ...
        "size" : 650,
        ...
}
```

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**Author:** ![TheWumpus](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/thewumpus/32/263_2.png) [@TheWumpus](https://discourse.cataclysmdda.org/u/TheWumpus)\
**Post date:** [October 4, 2016, 5:34pm UTC](https://discourse.cataclysmdda.org/t/how-volume-stat-works-with-respect-to-the-car-storage-values/12664/4 "2016-10-04T17:34:09Z")

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So…multiply vehicle storage parts storage values by 4 until they get around to changing the storage?