**Full name:** half US gallon

**Plural form:** half US gallons

**Alternate spelling:** half gallons

**Category type:** volume

**Scale factor:** 0.00189270589

The SI derived unit for volume is the cubic meter.

1 cubic meter is equal to 528.344105275 half gallon.

Valid units must be of the **volume** type.

You can use this form to select from known units:

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half gallon to nanoliter

half gallon to barrel [US, liquid]

half gallon to fifth

half gallon to dessertspoon [metric]

half gallon to dram

half gallon to gram [water]

half gallon to pony

half gallon to liter

half gallon to minim [US]