Practical Construction Guides & Calculators

Accurate construction calculators and clear engineering-backed guides for concrete, foundations, drainage, retaining walls and repairs.

Use a Calculator Explore Guides
Construction category image

Construction

Practical building guides.

View Guides →
Foundation repair category image

Foundation Repair

Diagnose cracks and settlement.

View Guides →
Retaining walls category image

Retaining Walls

Drainage, soil pressure and failures.

View Guides →
Calculators category image

Calculators

Estimate materials and quantities.

View Calculators →

Latest Guides

Construction

Movement Joint in Concrete: Expansion, Control and Isolation Joints

Learn what a movement joint in concrete is, including control, expansion, isolation and construction joints, spacing rules, and...

Read Guide →
Retaining Wall Drainage: What Keeps Walls from Failing
Retaining walls

Retaining Wall Drainage: What Keeps Walls from Failing

Read Guide →
 What Is Used in Prestressed Concrete? Materials, Tendons and Uses
Construction

What Is Used in Prestressed Concrete? Materials, Tendons and Uses

Read Guide →
 What Is Concrete Cloth? Uses, Cost and How It Works
Construction

What Is Concrete Cloth? Uses, Cost and How It Works

Read Guide →

Featured Calculators

Pea Gravel Calculator: Yards, Tons, Bags and Cost

Pea Gravel Calculator: Yards, Tons, Bags and Cost

Quick Summary Multiply your area in square feet by the depth in feet. Divide...

Calculate →
 Free Concrete Slab Price Calculator

Free Concrete Slab Price Calculator

Use this free concrete slab price calculator to estimate slab cost by size, thickness,...

Calculate →
 Gutter Installation Cost Calculator

Gutter Installation Cost Calculator

Use this free gutter installation cost calculator to estimate gutters, downspouts, guards, removal and...

Calculate →
 Concrete Cinder Block Calculator: Blocks, Mortar & Wall Cost

Concrete Cinder Block Calculator: Blocks, Mortar & Wall Cost

Use this concrete cinder block calculator to estimate blocks, mortar, openings, waste, core fill...

Calculate →
 Soffit Calculator: Estimate Square Feet, Vents & Cost

Soffit Calculator: Estimate Square Feet, Vents & Cost

Use this soffit calculator to estimate soffit square feet, panel quantity, vented soffit area,...

Calculate →
 Concrete Calculator: Estimate Concrete Volume and Cost

Concrete Calculator: Estimate Concrete Volume and Cost

Estimate concrete volume, bags, weight and cost for slabs, footings, piers and post holes...

Calculate →
 Septic Tank Size Calculator: Estimate the Right Tank Size

Septic Tank Size Calculator: Estimate the Right Tank Size

Need to know what size septic tank you need? Use this septic tank size...

Calculate →
 Estimate Your Bathroom Renovation Cost

Estimate Your Bathroom Renovation Cost

Estimate your bathroom remodel cost with this free calculator. Compare budget, midrange, high-end and...

Calculate →