Construction Calculators

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.

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.

Aluminum Fence Cost Calculator | Free Professional Estimator | BidFlow

Calculate exactly how much your aluminum fence will cost. Free professional calculator with material estimates, gate pricing, installation costs, and instant project quotes.

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.

Self-Leveling Concrete Calculator | Free Professional Estimator | BidFlow

Calculate exactly how many bags of self-leveling concrete you need for your project. Free professional calculator with cost estimates, material lists, water requirements, and project timeline.