Depends on the size of the wheelbarrow
There are 15 wheelbarrows that are in one tipper.
Depends really how big the wheelbarrows are and how much they weight.
1 yard = 36 inches
1 yard = 3 feet 1 foot = 1/3 yard
( 1 ) divided by (the capacity, in cubic meters, of the wheelbarrow you're using)
..
3 1 yard = 3 feet OR 1 foot = .3333 yard
1 inch = 1/36th yard = roughly 0.02777 yard (rounded)
1 yard of material refers to 1 cubic yard. 1 cubic yard = 27 cubic feet
1 yard = 3 feet
36 inches(in)= 1 yard(yd)