Construction Calculators
A collection of free tools to help you plan and estimate your construction projects more accurately.
Construction Loan Interest Calculator
Estimate the interest paid during the construction phase of a loan. For informational purposes only.
Drywall Sheet Calculator
Calculate how many drywall sheets you need for your construction project with BidFlow's free drywall calculator.
Self-Leveling Concrete Calculator
Calculate the amount of self-leveling concrete needed for your floor project with BidFlow's free calculator.
Wall Framing & Construction Cost Calculator
Estimate the cost of your wall construction project, including materials like studs, drywall, and labor.
Demolition Cost Estimator
Estimate the cost of your demolition project, including labor, debris removal, and disposal.
Insulation Calculator
Calculate insulation material needed for walls, attic, floors, and ceilings. Free insulation calculator helps determine R-values, material quantities, and costs for your construction project.
Asphalt Driveway Cost 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.
Brick & Mortar Calculator
Calculate how many bricks and how much mortar you need for walls, patios, and masonry projects with BidFlow's free brick calculator.
Building Permit Cost Estimator
Get a rough estimate of potential building permit costs for your construction project. For informational purposes only.
Construction Change Order Markup Calculator
Calculate the total price of a construction change order including direct costs and various markups.
Ready Mix Concrete Bags Calculator
Calculate how many bags of ready mix concrete you need for your construction project with BidFlow's free concrete calculator.
Fence Cost & Material Calculator
Estimate the materials and cost for your new fence project. Calculate posts, pickets, rails, concrete, and more for various fence types.
Mulch Calculator
Estimate the amount of mulch needed for your landscaping project with BidFlow's free Mulch Calculator. Calculate by area, depth, and optional waste and cost.