Foundation Excavation Calculator

Inputs

Results update as you type.

Pad footings
m
m
Strip footings
m
m
Excavation
m
mm
Haulage
m³
Total 99.94 m³Total 99.94 m³Pads (8)42.34 m³Strip footings57.60 m³myconstructioncalculator.com
Diagram updates as you type.

Results

Check the working before you order.

Foundation excavation (bank)
99.94m³
Pads (8)42.34 m³
Strip footings57.60 m³
Loose volume to haul124.92 m³
Truck loads13 loads

Where pads and strips meet, the overlap is counted twice: deduct it if it is large.

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Working
  1. Pad dig = (1.50 + 2 × 0.30) × (1.50 + 2 × 0.30) × 1.20 × 8 = 42.34
  2. Strip dig = 40.00 × section (0.60 + 2 × 0.30 wide, 1.20 deep) = 57.60
  3. Total = 99.94 m³
  4. Loose = 99.94 × (1 + 25%) = 124.92 m³; loads = ⌈124.92 ÷ 10.0⌉ = 13

Results are estimates for planning and material ordering only. They are not a substitute for structural design or approval by a qualified engineer. Read the full disclaimer.

Foundation Excavation Calculator byMy Construction Calculator: free construction calculators with the working shown.