Civil Construction Calculators
Free quantity calculators for sitework: asphalt, aggregate, concrete, pipe and trench. Each shows its formula, assumptions, and reference values. Use the project details for dimensions and check material densities before ordering.
Asphalt Tonnage Calculator
Convert paving dimensions and compacted thickness to asphalt tons.
Asphalt Millings Calculator
Estimate compacted asphalt millings volume and weight.
Crushed Stone Calculator
Calculate stone volume and tons using loose or compacted density.
Crusher Run Calculator
Estimate dense-graded aggregate tons from base dimensions.
Paver Base Calculator
Calculate aggregate base and sand setting-bed quantities separately.
Riprap Calculator
Convert slope-face area and blanket thickness into riprap tons.
Trench Backfill Calculator
Calculate a rectangular trench volume with a pipe deduction.
Pipe Bedding Calculator
Estimate embedment material around a pipe from the trench detail.
Manhole Volume Calculator
Estimate cylindrical structure excavation, displacement, and surrounding backfill.
Retaining Wall Calculator
Calculate concrete volume for a rectangular wall stem and footing.
Retaining Wall Block Calculator
Estimate full courses and block count from wall and block dimensions.
Concrete Curb Calculator
Estimate curb and optional gutter concrete from a rectangular section.
Cubic Yards to Tons Calculator
Convert a known material volume to tons using a listed density.
Rebar Weight Calculator
Convert bar size, count, and length into pounds and short tons.