Trapezoidal Footing Volume Calculator

Last updated: 31 Jul 2025 | Author: Brij | Review By: Irshad

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Easily calculate the volume of a trapezoidal footing using our online Trapezoidal Footing Volume Calculator. Ideal for civil engineers and contractors.

Top Length (L₁):

m

Bottom Length (L₂):

m

Width (W):

m

Depth (H):

m

Number of Footings:

Unit System:

Trapezoidal Footing Calculations

Volume of One Footing:

m³

Total Volume:

m³

Surface Area:

m²

In civil engineering, footings are crucial elements in building foundations. A trapezoidal footing is commonly used when load distribution varies or when columns are located at the edge of the property line. Calculating its volume accurately helps in estimating concrete quantity, material cost, and project planning.

Our Trapezoidal Footing Volume Calculator makes this easy. You just need to input a few dimensions, and the tool will return the required concrete volume in seconds.

Volume Formula for Trapezoidal Footing

The volume of a trapezoidal footing is calculated using the formula:

$\text{Volume} = \frac{1}{2} \times (L_1 + L_2) \times W \times H$

Where:

$L_1$ = Top Length
$L_2$ = Bottom Length
$W$ = Width
$H$ = Depth

Total Volume (if multiple footings)

If you are building multiple identical trapezoidal footings, total volume is:

$\text{Total Volume} = \text{Volume of One Footing} \times \text{Number of Footings}$

Real-World Example

Let’s calculate the volume of a single trapezoidal footing with the following dimensions:

Top Length $L_1 = 1.2 \, \text{m}$
Bottom Length $L_2 = 2.0 \, \text{m}$
Width $W = 1.0 \, \text{m}$
Depth $H=0.5 m$

Step-by-step Calculation:

$\text{Volume} = \frac{1}{2} \times (1.2 + 2.0) \times 1.0 \times 0.5 = 0.8 \, \text{m}^3$

Summary

Our Trapezoidal Footing Volume Calculator helps you:

Save time on manual calculations
Avoid costly estimation errors
Get accurate concrete quantity for ordering

Whether you're a civil engineer, contractor, or builder, this calculator is a must-have tool for your project planning.

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