1. What is Retaining Wall Size Calculation?

The retaining wall size calculation determines the number of blocks needed to build a wall of specific dimensions. It considers the wall's height and length, as well as the height of individual blocks.

2. How Does the Calculator Work?

The calculator uses the retaining wall size formula:

Where:

• \( height \) — Total height of the wall (feet)
• \( length \) — Total length of the wall (feet)
• \( block\_height \) — Height of individual blocks (feet)

Explanation: The formula calculates how many blocks are needed vertically (height/block_height) and multiplies by the number needed horizontally (length).

3. Importance of Wall Size Calculation

Details: Accurate size calculation is crucial for material estimation, cost planning, and ensuring structural integrity of the retaining wall.

4. Using the Calculator

Tips: Enter wall height and length in feet, and block height in feet. All values must be positive numbers (block height must be greater than 0).

5. Frequently Asked Questions (FAQ)

Q1: Should I include mortar thickness in block height?
A: Yes, if using mortar, include its thickness in your block height measurement for accurate calculations.

Q2: How do I account for different block sizes?
A: Use the average block height if mixing sizes, or calculate each section separately and sum the results.

Q3: What about the width/depth of the blocks?
A: This calculation only determines the number of blocks needed for the wall face. Structural requirements may need additional blocks for depth.

Q4: Should I add extra blocks for waste?
A: It's recommended to add 5-10% extra blocks to account for cutting and waste during construction.

Q5: Can this be used for curved walls?
A: For curved walls, calculate as straight segments or use the average length, but results will be approximate.