Retaining Wall Planner

Measure the wall, decide the buried course, plan trench spoil, calculate leveling-pad stone, blocks, and drainage, then finish with geogrid and backfill notes in one guided retaining-wall flow.

By: CalcHub Editorial Operated by: Cloudtopia
Maintenance: Updated when formulas, supplier packaging, or guidance change.
Method: Research + supplier/manufacturer guidance + calculator cross-checks.
Guided Planner

Retaining Wall Planner

Measure the wall, decide the buried course, plan trench spoil, level the pad, size blocks and caps, complete the drainage package, review geogrid, and finish with one wall summary.

8 required steps1 optional refinement0/8 required complete
Path depth
Choose how much detail you want in the planner.

DIY keeps the common path lightweight. Pro keeps the same flow but preserves richer assumptions and quote-ready detail as the exact outdoor flows expand.

Current required step
Measure wall length and exposed height

Follow the next required step first. Optional refinements come after the core path is finished.

Required path

Complete these steps in order, then finish with the project summary.

Step 1
Measure wall length and exposed height
Wall measurement
Current

Open this step to calculate and save it into your project summary.

Step 2
Decide buried course depth
Buried course
Locked

Complete the current required step first to keep your project flow in order.

Complete the previous step first
Step 3
Excavate trench and spoil
Trench and spoil
Locked

Complete the current required step first to keep your project flow in order.

Complete the previous step first
Step 4
Calculate leveling-pad stone
Leveling-pad stone
Locked

Complete the current required step first to keep your project flow in order.

Complete the previous step first
Step 5
Calculate blocks and caps
Blocks and caps
Locked

Complete the current required step first to keep your project flow in order.

Complete the previous step first
Step 6
Calculate drainage stone, pipe, and fabric
Drainage package
Locked

Complete the current required step first to keep your project flow in order.

Complete the previous step first
Step 7
Decide on geogrid if needed
Geogrid check
Locked

Complete the current required step first to keep your project flow in order.

Complete the previous step first
Step 8
Review backfill and finish notes
Backfill and finish
Locked

Complete the current required step first to keep your project flow in order.

Complete the previous step first
Finish
Project summary
Review, print, and copy the full project plan.
Locked

The summary unlocks after the required steps are complete.

Finish the required steps first

Optional refinements

Use these only when you need a more specialized estimate after the required path.

Optional
Optional outlet slope / daylight check
Outlet slope check
Later

This refinement unlocks after the related required step is complete.

Complete the related required step first
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