GQ Calc
Construction(25)
Board Foot Calculator
Calculate board feet for lumber from thickness, width, length, and board quantity, with per-piece volume and metric c...
Carpet Calculator
Calculate carpet linear yards by comparing two straight room layouts against the selected carpet roll width and waste...
Concrete Block Calculator
Estimate concrete blocks for walls with openings, waste, special units, and pallet rounding. Supports US and metric m...
Concrete Slab Calculator
Calculate concrete slab volume in cubic feet, cubic yards, or cubic meters, then estimate whole concrete bags from th...
Concrete Weight Calculator
Calculate concrete weight in pounds, kilograms, and US tons from slab dimensions, quantity, and an editable wet or cu...
Construction Calculators
GQ Calc provides a comprehensive suite of free construction and home-improvement calculators designed for builders, c...
Drywall Calculator
Use this drywall calculator to estimate 4×8, 4×10, or 4×12 sheet quantities from wall run, ceiling area, openings, la...
Fence Calculator
Use this wood fence calculator to estimate posts, rail stock, and pickets for one straight run from spacing, board wi...
Flooring Calculator
Use this flooring calculator to total up to three rooms, subtract exclusions, add cutting waste, and estimate whole b...
Framing Calculator
Use this wall framing calculator to estimate studs and plate stock from wall length, chosen stud spacing, openings, d...
Gambrel Roof Calculator
Calculate symmetric gambrel roof lower and upper slope lengths, total side run, and two-sided roof area from entered ...
Grout Calculator
Estimate tile grout bags from tiled area, product coverage, waste, bag size, tile dimensions, joint width, and joint-...
Lumber Weight Calculator
Estimate lumber weight from actual board dimensions, quantity, user-supplied wood density, and an explicit moisture a...
Mortar Calculator
Estimate masonry mortar bags from installed brick or block count, product-specific units-per-bag coverage, and mortar...
Paint Calculator
Use this paint calculator to estimate gallons and whole cans from room dimensions, wall area, doors and windows, ceil...
Paver Sand Calculator
Estimate paver bedding sand volume, supplier weight, bulk tons, and bags from paved area and bedding depth.
Plywood Calculator
Use this plywood calculator to compare an area minimum with a simple two-orientation full-sheet grid for one rectangu...
Post Hole Concrete Calculator
Calculate concrete around round or square posts with post displacement, multiple holes, waste, bag yield, and roundin...
Rafter Length Calculator
Calculate common-rafter line length from building span, x-in-12 roof pitch, ridge thickness, and horizontal eave over...
Roof Pitch Calculator
Use this roof pitch calculator to convert rise and run into an x-in-12 pitch, roof angle, slope percentage, and roof-...
Roof Shingle Calculator
Use this roof shingle calculator to convert measured sloped roof planes into square feet, roofing squares, and whole ...
Sand Calculator
Calculate sand volume, estimated bulk weight, short tons, and whole bags using editable depth, density, waste, and ba...
Stair Carpet Calculator
Calculate stair carpet runner length and linear yards from tread depth, riser height, nosing wrap, step count, stair ...
Tile Calculator
Use this tile calculator to estimate square footage, individual tiles, and whole boxes from room dimensions, exclusio...
Wallpaper Calculator
Calculate wallpaper rolls from full-height strips, physical roll dimensions, trim, straight or half-drop pattern repe...