While this will depend on the size of the wheelbarrow, an industrial wheelbarrow is about 1/12th of a cubic meter. 12 of them is one meter, 1,200 of them for 100 cubic meters.
It doesn't matter what substance you're moving.The number is always1/capacity of the wheelbarrow in cubic meters
One cubic yard equals 0.76455485798 cubic meters.
One liter = 0.001 cubic meters
0.02832 cubic meters per cubic foot.
One acre-foot is 1,233.5 cubic meters.
0.028316846592
One cubic foot is about 0.0283 cubic meter.
twelve
There are 0.00455 cubic meters in one Imperial gallon.
There are 1,000 cubic meters in one million liters.
One cubic yard is 0.765 (0.764554869) cubic meter.