Question 986238
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1 gallon = 3.785 liters (cubic decimeters) = {{{3.785/1000}}} cubic meters = 0.003785 {{{m^3}}}. 


Hence,  300 gallons = 300*0.003785 {{{m^3}}} = 1.1355 {{{m^3}}}.


<B>Answer</B>. &nbsp;300 gallons = 1.1355 {{{m^3}}}.


See the lesson &nbsp;<A HREF=http://www.algebra.com/algebra/homework/conversion/Converting-measures-of-liquid-volume-Liters-gallons-barrels-oz.lesson>Converting liquid volume measures: liters, gallons, and barrels</A>&nbsp; in this site.