Drop a gal (UK)

Drop a A³ | Drop a aL | Drop a fL | Drop a pL | Drop a nL | Drop a μL | Drop a mm³ | Drop a Minim (UK) | Drop a Minim (US) | Drop a mL | Drop a cm³ | Drop a dr | Drop a Tsp (US) | Drop a Tsp (Metric) | Drop a Tsp (UK) | Drop a Dstspn (US) | Drop a cL | Drop a Dstspn (UK) | Drop a Tbsp (US) | Drop a Tbsp (Metric) | Drop a in³ | Drop a Tbsp (UK) | Drop a fl oz (UK) | Drop a fl oz (US) | Drop a dL | Drop a gi | Drop a gi (UK) | Drop a Taza | Drop a Cup (US) | Drop a Cup (Metric) | Drop a Cup (UK) | Drop a Log (Biblical) | Drop a pt (US) | Drop a pt (UK) | Drop a qt (US) | Drop a dm³ | Drop a L | Drop a qt (UK) | Drop a Cab (Biblical) | Drop a fbm | Drop a Hin (Biblical) | Drop a gal (US) | Drop a gal (UK) | Drop a daL | Drop a Bath (Biblical) | Drop a ft³ | Drop a Decistere | Drop a hL | Drop a bbl (US) | Drop a bbl | Drop a bbl (oil) | Drop a bbl (UK) | Drop a Homer (Biblical) | Drop a Cor (Biblical) | Drop a Hhd | Drop a yd³ | Drop a tu | Drop a am³ | Drop a fm³ | Drop a m³ | Drop a μm³ | Drop a nm³ | Drop a pm³ | Drop a kL | Drop a st | Drop a ton reg | Drop a hcf | Drop a ccf | Drop a cd | Drop a Dekastere | Drop a ac*in | Drop a ML | Drop a ac*ft | Drop a Acre ft (US) | Drop a GL | Drop a km³ | Drop a TL | Drop a mi³ | Drop a PL | Drop a EL | Drop a Earth Volume