Enter the trench dimensions (and optionally the pipe and bedding) to get excavation, bedding and backfill volumes.
Results
Formulas
Excavation = L × W × D
Bedding = L × W × bedding thickness
Pipe displacement = π × (OD/2)² × L
Backfill = excavation − bedding − pipe displacement
Bank measure — apply your own bulking factor for loose volumes and truck loads.
Doing this for a real job? Fieldlink turns takeoffs into estimates, quotes and job budgets — with rates you can reuse.
See civil estimating