Construction & estimating · Earthworks & pavements
Excavation, cart-away & disposal calculator
Excavated bank volume with batters, bulking, backfill retained, truck loads, tonnes to tip and cost.
Standard: Bank → loose (bulking) · truck loads · tip fees
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Inputs in the worked example
The live calculator starts with these values; change any of them and every result, check and diagram updates instantly.
| Input | Value | Unit |
|---|---|---|
| Length | 30 | m |
| Width | 12 | m |
| Depth | 2.5 | m |
| Batter (H:V, 0 = vertical) | 0.5 | |
| Bulking factor | 25 | % |
| Retained for backfill | 20 | % of bank |
| Truck capacity (loose) | 10 | m³ |
| Bank density | 1.9 | t/m³ |
| Excavation | 14 | $/m³ |
| Cartage per load | 160 | $ |
| Tip fee | 35 | $/t |
Worked example — results
| Result | Value | Unit |
|---|---|---|
| Bank volume | 1,031 | m³ |
| Loose volume | 1,289 | m³ |
| Loose volume to dispose | 1,031 | m³ |
| Truck loads | 104 | |
| Tonnes to tip | 1,568 | t |
| Total | $85,940 |
Method, formulas and assumptions
- Bank volume includes a battered prism (L + B)·D²·batter
- Loose = bank × (1 + bulking)
- Check contamination classification before pricing disposal
- Rates are example inputs only. Replace them with current supplier quotes and local labour rates.
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For preliminary design and education. Check every result against the current standard and your own engineering judgement before use.