## How To Work With Trapezoidal Footing Calculator?

In this calculator, we calculate the trapezoidal footing area. As per the below process work with calculator.

**Step – 1.**

**Fill Footing area Length and Breadth as per below picture shown.**

In this footing **Bottom (base) area and Top area** are different so carefully **check in above image.**

Here, As per the below image Bottom area **Length A and Breadth B **Fill in box

And As per the below image Top area **Length a and Breadth b **Fill in box

**Step – 2. **

**Fill Footing area Height in box as per shown in below picture**

In this footing **Bottom (base) height and Top height **are different so carefully **check in above image.**

Here, As per the below picture shown fill Footing Bottom(Base) **Height H1** in box.

As per the below picture shown fill Footing Top **Height H2** in box.

**Step – 3. **

**As per the below picture shown your answer given in box.**

## What is a Trapezoidal Formula?

Volume of Trapezoidal =

**h/3 * ( A1 + A2 + √ (A1 x A2 ))**

Here,

**A1 **(Bottom area of Trapezoidal) **= Length A * Breadth B**

**A2 **(Top area of Trapezoidal) **= Length a * Breadth b**

**h **Height of Trapezoidal **= H**

## How to Find Volume of Trapezoidal Footing?

**Trapezoidal Footing Formula = F1 Area + F2 Area**

**F1** Area = **Length A * Breadth B * Height H1**

**F2** Area = **H2/3 * ( A1 + A2 + √ (A1 * A2 ))**

**A1 **(Bottom area of Trapezoidal) **= Length A * Breadth B**

**A2 **(Top area of Trapezoidal) **= Length a * Breadth b**

**Here**,

**F1** = Base Footing area

**F2** = Traprzoidal Area of Footing

**Length A = **Bottom Footing Length of X-direction.

**Length B = **Bottom Footing Length of Y-direction.

**Length a = **Top Footing Length of X-direction.

**Length b = **Top Footing Length of Y-direction.

**H1 = **Height of Bottom Footing.

**H2** = Height of Terpziodal Footing.

## Video tutorial for better understanding:

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