Retaining Wall Materials for a 10' × 3' Wall
A 10-foot wall 3 ft high is 30 sq ft of face — about 45 standard blocks plus caps and base gravel. Switch the material above for poured concrete, timber, or natural stone.
You'll need
45 blocks
Wall face area
30 sq ft10' long × 3' high
Wall blocks
45Concrete block — standard (≈16×6" face)
Cap blocks
10~12" cap units
Gravel base / backfill
0.5 tons6"-deep leveling base + drainage backfill
Block cost (est.)
$225~$5/block material
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