# barrel (US) for petroleum

> unit of volume, about 159 litres

**Wikidata**: [Q89187604](https://www.wikidata.org/wiki/Q89187604)  
**Source**: https://4ort.xyz/entity/barrel-us-for-petroleum


## References

1. ISO 80000-3:2006 Quantities and units — Part 3: Space and time