If the earth isn't too rocky or hard-compacted, it should not be too much
of a challenge to complete that job in about 1/2 hour = 0.0625 man-day.
From one upwards
12L
A cubic meter of dry earth typically weighs between 1.5 to 1.8 metric tons, depending on the composition of the soil and its moisture content.
13%
3
1 meter = 10 decimeter 1 cubic meter = 1000 cubic decimeter
10
26 bags
0.2
How much crsand for 1 m3 concrete
Kilogram per cubic meter is the one that doesn't belong. Square meter is meter^2 and cubic meter is meter^3 but kilogram per cubic meter is a density
A cubic metre of gas on earth will not have a mass of 1 kg.