Since you'd clearly have to fold or chop up the bodies to fit in your notional 1m x1/2Mx 1/2M coffin why not just pulp them?
The density of a human is about the same as water and if we assume that the average weight is 80kg you'd get 12.5 per cubic metre and use up even less of the Isle of Wight
c
The density of a human is about the same as water and if we assume that the average weight is 80kg you'd get 12.5 per cubic metre and use up even less of the Isle of Wight
c