Excavation Volume Calculator
Calculate excavation volumes for construction projects. Account for soil swell factors, side slopes, and truck loads. Includes bank volume, loose volume calculations, and backfill estimates for earthwork planning.
Swell factor: 1.3x - soil expands when excavated
Calculate material for partial backfill after construction
Enter excavation dimensions and click Calculate to see results
Notes:
- Bank volume is the in-situ (undisturbed) soil volume
- Loose volume accounts for soil expansion when excavated
- Swell factors vary by soil type (15-50% typical)
- Actual volumes may vary based on site conditions
- Consider access routes when planning truck sizes
ESTIMATION NOTICE
This calculator provides APPROXIMATE QUANTITIES for budgeting and planning purposes.
Please note:
• Results include standard wastage factors but actual waste may vary based on site conditions, workmanship, and material quality.
About This Calculator
The Excavation Volume Calculator helps contractors and quantity surveyors estimate earthwork volumes for construction projects across the UAE and Gulf. Calculate bank volumes, loose volumes after swell, and the number of truck loads required for spoil removal. Essential for accurate tender pricing, earthwork planning, and coordinating with excavation subcontractors on infrastructure, building, and civil engineering projects.
When to Use This Calculator
- Estimating excavation costs for tender submissions
- Calculating truck loads for spoil disposal planning
- Determining backfill quantities after foundation works
- Planning earthwork schedules for site preparation
- Verifying subcontractor excavation claims
How to Use This Calculator
Enter Excavation Dimensions
Input length, width, and depth of the excavation area in meters.
Select Soil Type
Choose soil type to apply correct swell factor: sand (10-15%), clay (20-30%), rock (40-60%).
Specify Side Slopes
Enter slope ratio if excavation has sloped sides (e.g., 1:1 for 45° slope).
Enter Truck Capacity
Specify truck size (typically 10-15m³ for Gulf region tipper trucks).
Review Results
Get bank volume, loose volume, truck loads, and backfill quantities.
Typical Scenarios in UAE & Gulf Projects
A 40-story tower requires basement excavation of 50m × 40m × 12m deep in sandy soil. The calculator determines 24,000m³ bank volume, 27,600m³ loose volume (15% swell), requiring 1,840 truck trips at 15m³/truck for spoil disposal to approved sites.
A 2km utility corridor needs trenching at 2m wide × 1.5m deep in mixed soil. Calculator estimates 6,000m³ bank volume, 7,200m³ loose volume (20% swell), with 480 truck loads and 4,800m³ backfill after pipe installation.
Frequently Asked Questions
Take Your Calculations Further
This calculator reflects the logic built into Arkan's construction management platform.
Last Updated: January 2026
Standards Reference: Volume calculations per AASHTO and BS 6031 earthwork standards