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Retaining Wall Calculator

Estimate blocks, base gravel, and backfill from wall dimensions and block size for a preliminary retaining-wall materials list.

🔒 This tool runs entirely in your browser. Your files are never uploaded to a server.

Blocks needed (with waste)

Wall face area

sq ft

Gravel backfill

cubic yards (12" backfill width)

Base gravel (footing)

cubic yards (6" deep base)

How Retaining Wall Calculator works

  1. Fill in the fields above with the details Retaining Wall Calculator needs — a realistic sample is pre-filled so you can see the shape of the result immediately.
  2. Click the action button to run Retaining Wall Calculator — the computation happens locally in your browser, not on a server.
  3. Review or copy the result. Nothing about your input or output is ever uploaded or stored remotely.

Enter your wall's length and height plus your block dimensions to calculate how many blocks, how much base gravel, and how much backfill you'll need.

FAQ

Does Retaining Wall Calculator upload my data anywhere?

No. Retaining Wall Calculator runs entirely in your browser using local JavaScript — nothing is sent to a server, and no account or sign-up is required.

Is Retaining Wall Calculator free to use?

Yes, Retaining Wall Calculator is completely free, with no watermark, usage limit, or hidden paywall.

What is Retaining Wall Calculator typically used for?

It's built around retaining wall calculator — most visitors use it for a quick, one-off task rather than as part of a larger paid workflow.

How we compare

Feature Online Tool Store Doing it manually A generic online tool
No file upload — runs in your browser N/A
No sign-up required
Free, no watermark

Calculate blocks and base material for a retaining wall — if keeping things fast, free, and off a server matters to you, Retaining Wall Calculator is the straightforward choice.

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