Free Construction & Yard Calculators
Fast, accurate calculators for concrete, blocks, gravel, topsoil, mulch, gutters and lawn care. Enter your measurements and get cubic yards, tons, bags and costs in seconds — with the formula shown so you can check every result. Built for homeowners, contractors and landscapers in the US.
Most popular calculators
Area and depth to cubic yards, tons and bags for any loose material.
How many CMU or cinder blocks a wall needs, plus mortar and cost.
Topsoil cubic yards, tons and bags for lawns and beds.
Slab cubic yards, bags vs ready-mix, and total cost per square foot.
Pea gravel cubic yards, tons and bags by area and depth.
Concrete & Block Calculators
View all →How many CMU or cinder blocks a wall needs, plus mortar and cost.
Slab cubic yards, bags vs ready-mix, and total cost per square foot.
Courses, blocks, cap, mortar, grout, rebar and total cost.
Landscaping Material Calculators
View all →Area and depth to cubic yards, tons and bags for any loose material.
Topsoil cubic yards, tons and bags for lawns and beds.
Pea gravel cubic yards, tons and bags by area and depth.
Convert feet and rooms to square yards, with waste and cost.
Yards, tons and bags for mulch, rock, soil, sand and more.
Gutter drop, pitch and downspouts for any run length.
Riprap cubic yards and tons by area and layer thickness.
Lawn Care Calculators
View all →Why trust these calculators
The math is shown
Every tool has a “Show the math” panel with your numbers plugged into the formula — nothing is hidden.
Sources are cited
Densities, bag yields and slope rules come from manufacturer and industry sources, listed on How We Calculate.
Kept up to date
Each page shows when it was last reviewed. Built and maintained by Neo — about the site.