The result of your conversion between pound/cubic yard and pound/cubic mile appears here
To convert between Pound/cubic Yard and Pound/cubic Mile you have to do the following:
First divide 0.45359237/((0.0037854118/231)*1728*27) / 0.45359237/(((0.0037854118/231)*1728*27)*5451776000) = 5451776000.
Then multiply the amount of Pound/cubic Yard you want to convert to Pound/cubic Mile, use the chart below to guide you.
Symbol: lb/yd³
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Symbol: lb/mi³
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