Construction Tools

Professional and accurate construction calculators for everyone. Simple, fast, and free to use.

Electrical

Conduit Fill Calculator: NEC Wire Fill Percentage

Calculate the maximum number of wires allowed in a conduit (NEC rules).

Use Tool→

Framing

Stair Calculator: Rise, Run & Stringer Layout

Calculate the rise, run, and stringer length for building stairs.

Use Tool→

Landscaping

Gravel Calculator: Estimate Tons for Driveways

Estimate the tons of gravel needed for a driveway or path.

Use Tool→

Materials

Cubic Yard Calculator: Calculate Dirt, Mulch & Concrete

Calculate the volume of any area in cubic yards for dirt, mulch, or concrete.

Use Tool→

Concrete Calculator: Bags & Yards Estimator

Determine the number of 80lb or 60lb bags of concrete needed.

Use Tool→

Paving

Asphalt Calculator: Hot Mix Tonnage Estimator

Calculate the hot mix asphalt tonnage needed for paving.

Use Tool→

Roofing

Roof Pitch Calculator: Angle & Rafter Length

Find the roof pitch, angle, and rafter length.

Use Tool→

Woodworking

Board Foot Calculator: Lumber Volume Estimator

Calculate the volume of lumber in Board Feet (FBM).

Use Tool→

About Our Construction Calculators

Welcome to our comprehensive collection of Construction tools. Whether you are a professional, a student, or just curious, our free construction calculators are designed to provide accurate and instant results.

We constantly update our construction database to ensure accuracy. If you need a specific calculation that isn't listed here, feel free to contact us.

Popular in Construction

All Construction Tools →