FREE TOOLS FOR CONTRACTORS
Construction Calculators
Estimate materials, labor, and profits for any project. Built for contractors, builders, and remodelers.Measurements
Concrete Slab Calculator
This concrete slab calculator will help you estimate the cubic yards, truckloads, and bags of concrete you'll need. It also includes a rebar estimate, a 10% waste factor (which can be adjusted), and the cost of the concrete if pricing is provided.
Square Footage Calculator
Find the total square footage of rectangular, circular, or triangular areas.
Board Foot Calculator
This board foot calculator helps you estimate the total board feet and lumber cost for any project, helping to ensure greater accuracy in your bids and estimates.
Wall Framing Calculator
Determine studs, plate lumber, and framing cost for any wall.
Concrete Block Calculator
Estimate CMU blocks, mortar bags, and costs for wall construction.
Gravel Calculator
Our gravel calculator helps remove the guesswork from ordering fill, base course, or decorative stone. It converts area and depth into cubic yards and tons for any gravel type. You'll get bag counts for small jobs or bulk tonnage for deliveries on larger projects.
Stair Calculator
Our stair calculator helps you determine the optimal step layout for both standard and custom step dimensions. It takes the total rise and preferred riser/tread dimensions to calculate the number of steps, total run, and stringer length. Also, it compares the results against IBC code limits, so you know if it will pass inspection.
Paver Calculator
Calculate pavers needed, leveling sand, and gravel base for patios and walkways.
Roof Calculator
Calculate roof area, squares, and ridge length from building footprint and pitch.
Roof Pitch Calculator
Calculate pitch ratio, angle in degrees, slope percentage, and rafter length.
Retaining Wall Calculator
Estimate blocks, backfill, drainage gravel, and adhesive for retaining walls.
Plywood Calculator
Our plywood calculator can be used to quote sheathing, subflooring, or formwork with a variable waste factor. It converts area into sheet count for 4’x8’, 4’x10’, or 4’x12’ panels. You can enter either dimensions or total square footage if it’s already been calculated.
Costs
Drywall Calculator
This drywall calculator will help you determine the number of materials you'll need to drywall a room, including drywall sheets, joint compound, tape, and screws. Our drywall material calculator accounts for ceilings, doors, windows, and 10% waste factor.
Paint Calculator
To quickly estimate the amount of paint you’ll need to paint a room, use our paint calculator. It estimates the gallons per coat and the total gallons needed to cover walls and ceilings (optional). You can deduct doors and windows and choose a coverage rate based on the paint type and wall surface.
Flooring Calculator
For a fast way to generate a material list for a flooring project, try our flooring calculator. It can help you quickly estimate the quantity and cost of materials for several flooring types, giving you a preliminary budget before you finalize your costs.
Insulation Calculator
Calculate insulation coverage, rolls or bags needed, and cost by R-value and area.
Fence Calculator
This fence calculator will help you quickly estimate the quantity of materials and costs for several fence types, giving you a preliminary budget before you finalize your costs. By inputting fence length, height, type, post spacing, and gate number, you’ll get a breakdown of the materials needed, as well as cost estimates for both materials and installation.
Deck Cost Calculator
Our deck calculator will help you quickly estimate deck material and installation costs by deck size, material, and elevation. The deck material calculator supports wood, composite, PVC, and tropical hardwood materials, with options for railing and stairs.
Roofing Cost Calculator
This roofing cost calculator for contractors generates material and installation cost ranges for nine different roofing materials, and can be customized by adding pitch/slope, number of stories, and regional labor rates. It also calculates tear-off costs.
Metal Roof Cost Calculator
Estimate metal roofing costs by area and material type.
Labor Cost Calculator
One of the most common estimation mistakes is underestimating labor costs. This construction labor cost calculator will help you determine how much labor will cost to complete a project. It supports fully customizable burden rates (employer-paid taxes and insurance), multiple trades or worker types, and a downtime percentage.
Project Cost Estimator
Build a line-item estimate with overhead and contingency rolled in.
Financials
Profit Margin Calculator
To double-check project bids before you send them, use our profit margin calculator. It takes your job cost and target profit margin percentage to calculate the selling price, profit dollar amount, and markup percentage. It helps you see both your profit margin and your markup before you send out a bid.
Markup Calculator
To quickly translate supplier or subcontractor costs into customer pricing, use our markup calculator. It converts your cost and markup percentage into a sale price, showing you the amount of profit and your profit margin.
Net Profit Calculator
Our net profit calculator tells you how many projects at your average revenue and profit margin you need to win to hit your target annual profit. It also shows the total revenue required to support that output. This calculator can be used for annual planning and to set minimum sales volume targets for your pipeline.
Hourly Rate Calculator
Find your breakeven and target hourly billing rate based on worker salary, overhead costs, time off, benefits, and profit margin with our hourly rate calculator. It accounts for actual billable days per year for a more accurate calculation. Use it to set minimum rates for time-and-materials work and to back up your flat-rate project pricing.
Equipment Depreciation Calculator
Calculate annual depreciation and book value using straight-line or declining balance methods.
Estimate ROI Calculator
Our estimate ROI calculator helps you determine how much you spend on estimating tasks and how much you earn per hour of estimating. Knowing your revenue per hour spent estimating can help you decide whether it’s time to invest in estimating software or hire a dedicated estimator.
Business Valuation Calculator
Knowing the value of your business is helpful when you are trying to sell it or seeking a loan or credit from a financial institution or an investor. To perform the calculation, you'll need figures from your most recent financial statements, including your income statement (or profit and loss statement) and your balance sheet.