DIY
Retaining Wall Calculator
Calculate retaining wall blocks and materials by length and height. Free retaining wall calculator.
In this article
Berechnung
Bloecke pro Reihe = Laenge / Blockbreite. Reihen = Hoehe / Blockhoehe. +10% Verschnitt. Ab 1 m Hoehe: Statiker PFLICHT.
Drainage
Drainrohr am Fuss + 30 cm Kies hinter der Mauer. Ohne Drainage = Einsturz garantiert.
⚡ CalcWolf Insight
Allan Block, Versa-Lok, and Pavestone are the three most common retaining wall block brands. They are NOT interchangeable — each has a proprietary interlocking system. Choose one brand and stick with it for the entire wall. Mixing brands causes misalignment that worsens over time.
Frequently asked questions
Brauche ich Statiker?▾
Ab 1 m Hoehe: ja, unbedingt.
Drainage noetig?▾
Immer. Ohne = Wasserdruck zerstoert die Mauer.
✓ Math logic verified against primary sources
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