Construction & Materials

Area, volume, concrete, gravel, lumber, paving, and roofing calculators with practical unit support and editable material assumptions.

Area, Volume, and Coverage

Square footage, cubic yards, concrete, gravel, and mulch estimates.

Square Footage Calculator

Area for common shapes

Cubic Yard Calculator

Volume in cubic yards for common shapes

Concrete Calculator

Concrete volume and bag estimates

Gravel Calculator

Gravel volume, weight, and tonnage

Mulch Calculator

Mulch volume and bag count estimator

Lumber and Paving

Board feet and asphalt tonnage from dimensions.

Board Foot Calculator

Lumber board feet and cost estimator

Asphalt Calculator

Asphalt volume, weight, and tonnage

Roofing

Roof pitch, slope, and rafter length estimates.

Roof Pitch Calculator

Pitch, slope, angle, and rafter length