Construction Calculators
Free professional-grade calculators for estimating materials, costs, and project requirements.
Plumbing Permit Cost Calculator
Estimate plumbing permit fees by fixture count or project valuation. National baseline adjusted for your region.
Try calculatorAluminum Fence Calculator
Calculate aluminum fence costs instantly. Free calculator shows materials, posts, gates & labor. See pricing for 100-400 ft projects + avoid hidden costs.
Try calculatorAsphalt Calculator
Calculate how much asphalt you need in tons and cubic yards. Estimate material costs for driveways, parking lots, and road projects with our free asphalt calculator.
Try calculatorAsphalt Driveway Calculator
Estimate the cost of your new asphalt driveway project with BidFlow's free calculator. Input dimensions, asphalt/base thickness, site conditions, and cost factors for a detailed estimate.
Try calculatorBathroom Remodel Cost Calculator
Estimate your bathroom remodel cost based on size, scope, and finish selections. Get a detailed cost breakdown for labor, materials, fixtures, and permits.
Try calculatorBoard Foot Calculator
Calculate board feet for lumber purchases. Enter dimensions and quantity to get total board footage and estimated cost for your woodworking or framing project.
Try calculatorBrick & Mortar Calculator
Calculate how many bricks and how much mortar you need for walls, patios, and masonry projects with BidFlow's free brick calculator.
Try calculatorChain Link Fence Calculator
Calculate chain link fence costs instantly. Free calculator for galvanized & vinyl-coated fencing. Budget-friendly estimates for residential and commercial projects.
Try calculatorConcrete Calculator
Calculate how many bags of ready mix concrete you need for your construction project with BidFlow's free concrete calculator.
Try calculatorConstruction Loan Interest Calculator
Estimate the interest paid during the construction phase of a loan. For informational purposes only.
Try calculatorDrywall Calculator
Free drywall calculator for total sheet count, mud and tape quantities, and material cost. Drywall installation runs $1.50 to $3.50 per square foot in 2026, with regional medians by metro.
Try calculatorEpoxy Flooring Cost Calculator
Estimate epoxy material, prep cost, and total installed cost for commercial floors. Single-coat $3–$5/sf, decorative flake $5–$12/sf, metallic $7–$15/sf. Splits prep cost separately so you can see the real bid.
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