Free online tools for estimating materials, calculating loads, planning projects. Built for the job site.
Calculate area for rectangles, circles, triangles, and trapezoids. Free online tool, no registration.
02Simple beam load and deflection calculator. Free online tool, no registration.
03Estimate concrete blocks (CMU) for a wall. Free online tool, no registration.
04Calculate board feet for any lumber dimensions. Free online tool, no registration.
05Calculate bolt hole positions on a bolt circle. Free online tool, no registration.
06Estimate the number of bricks needed for a wall. Free online tool, no registration.
07Calculate concrete volume for slabs, footings, columns, and more. Free online tool, no registration.
08Calculate concrete volume for round and square columns. Free online tool, no registration.
09Calculate cement, sand, gravel, and water for concrete mixes. Free online tool, no registration.
10Estimate total cost for a concrete slab including materials and labor. Free online tool, no registration.
11Estimate drywall sheets needed for walls and ceilings. Free online tool, no registration.
12Determine the right wire gauge based on load and distance. Free online tool, no registration.
13Calculate excavation volume for trenches and pits. Free online tool, no registration.
14Estimate excavation costs based on volume and soil type. Free online tool, no registration.
15Estimate fence materials and cost. Free online tool, no registration.
16Calculate flooring materials for tiles, hardwood, or carpet. Free online tool, no registration.
17Calculate grade, slope, and elevation change. Free online tool, no registration.
18Calculate insulation needed for walls, attics, and floors. Free online tool, no registration.
19Calculate board feet and cost for lumber projects. Free online tool, no registration.
20Estimate monthly payments for construction loans. Free online tool, no registration.
21Calculate cubic yards of mulch or gravel needed. Free online tool, no registration.
22Estimate paint needed for walls, ceilings, and rooms. Free online tool, no registration.
23Calculate the volume of liquid in pipes. Free online tool, no registration.
24Calculate power usage and electricity costs. Free online tool, no registration.
25Calculate rebar quantity and weight for concrete reinforcement. Free online tool, no registration.
26Calculate roof pitch, angle, and rafter length. Free online tool, no registration.
27Estimate shingles, underlayment, and flashing for a roof. Free online tool, no registration.
28Calculate stair rise, run, and stringer layout. Free online tool, no registration.
29Calculate tiles needed with pattern waste factors. Free online tool, no registration.
30Convert between common construction measurement units. Free online tool, no registration.
31Calculate studs, plates, and headers for framed walls. Free online tool, no registration.
32Calculate weight of construction materials by volume. Free online tool, no registration.
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