Navorika toolkit
Contractor Estimating Calculators
Move from site measurements to practical material and cost estimates. These calculators support early planning and quoting; final quantities should still be checked against drawings, specifications, local conditions, and supplier guidance.
15 available tools ยท 3 workflow stages
Concrete and masonry
Estimate core mix, reinforcement, masonry, and post-hole quantities before ordering.
Concrete Calculator
Calculate concrete volume and mix ratio for slabs, footings, and columns.
Cement Calculator
Calculate cement bags required for your construction project.
Rebar Calculator
Calculate rebar weight and quantity for concrete reinforcement.
Brick Calculator
Calculate number of bricks required for your construction project.
Sand Calculator
Calculate sand volume and weight for construction projects.
Gravel Calculator
Calculate gravel volume for driveways, pathways, and drainage.
Post Hole Concrete Calculator
Calculate concrete volume after round or rectangular post displacement and estimate bags from entered yield.
Site and project costs
Translate site dimensions into earthwork, paving, debris, and early building-cost estimates.
Excavation Calculator
Calculate soil excavation volume for foundations and basements.
Asphalt Calculator
Calculate asphalt quantity for driveways, roads, and parking lots.
Paver Calculator
Calculate rectangular paver count, waste-adjusted quantity and optional pallets from project area.
Dumpster Weight Calculator โ Estimate Tonnage & Overage Fees
Estimate dumpster debris weight, included tonnage, excess weight and potential overage fees for concrete, drywall, shingles, lumber and mixed construction debris.
Construction Cost Calculator
Calculate building costs per square foot for residential construction.
House Construction Cost Calculator
Calculate building costs per square foot for residential construction.
Professional estimates
Turn itemized material, labor, equipment, markup, and tax inputs into contractor-ready estimates.
Construction Estimate Builder
Build a detailed construction estimate with materials, labor, equipment, subcontractors, overhead, contingency, markup, tax, and downloadable PDF/JPG output.
Contractor Estimate Generator
Create a professional contractor estimate with customer details, itemized costs, markup, tax, notes, and downloadable PDF/JPG output.