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CalcWolf DIY Calculadora de Areia
DIY

How Much Sand Do You Need?

Calculate tons or cubic yards of sand for paver base, sandbox, leveling, and masonry.

📅 Updated April 2026 Formula verified 📖 4 min read 🆓 Free · No sign-up

O Cálculo

Toneladas = área × espessura (m) × 1,6 (densidade). 20 m² a 5 cm: 20 × 0,05 × 1,6 = 1,6 tonelada. Areia a granel no Brasil: R$80-150/m³. Para assentamento de pisos: 3-5 cm. Para tanque de areia infantil: 20-30 cm com areia lavada.

Tipos

Areia média: uso geral em construção. Areia fina (lavada): reboco e assentamento. Areia grossa: concreto e contrapiso. Areia de praia: NÃO usar em construção (sal corrói armaduras).

⚡ CalcWolf Insight

Sand compacts about 15% when tamped. For a 1-inch finished bedding layer under pavers, spread 1.15 inches of loose sand before screeding. Use 1-inch diameter pipes as screed rails — lay them on the gravel base, pour sand between, and drag a straight board across the tops.

Frequently asked questions
Quanto para tanque de areia 2×2?
A 20 cm: 2×2×0,20×1,6 = 1,28 toneladas. Use areia lavada certificada para crianças.
Granel ou ensacada?
Granel para mais de 0,5 m³. Em sacos para pequenos reparos e projetos.
✓ Math logic verified against primary sources → See our verification process
Kevin Glover
Founder, CalcWolf · GLVTS · Blickr
All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →
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