Material Calculators That Actually Do the Math
Estimate how much concrete, gravel, mulch, or sand your project needs — in cubic yards, bags, or tons. Free, instant, no signup.
Concrete Calculator
Slabs, footings, columns & steps → cubic yards and 40/60/80 lb bags.
Gravel Calculator
Driveways, paths & drainage → cubic yards and tons.
Mulch Calculator
Garden beds → cubic yards and 2 cu ft bags.
Sand Calculator
Paver bases & fill → cubic yards and tons.
Why BuildCalc
Instant results
Type your dimensions, get the answer — no waiting.
Type your dimensions, get the answer — no waiting.
Bags, tons & cost
Not just volume: bag counts, weight, and a cost estimate.
Not just volume: bag counts, weight, and a cost estimate.
Transparent formulas
We show exactly how the math works.
We show exactly how the math works.
Print or share
Use it on the job site from any phone.
Use it on the job site from any phone.