Browse by project type
Calculator categories.
Find the right calculator faster by browsing tools grouped by trade, material, measurement type, and common homeowner project. Existing calculator URLs stay unchanged.
Category quick links
Category 01
Conversions
Unit converters for weight, liquid volume, medication concentration, and material quantities.
3 tools
Weight Converter
Convert kilograms, pounds, ounces, grams, stone, and tons in one practical tool.
Open toolmg to mL Calculator
Convert milligrams to milliliters using a known liquid concentration in mg/mL or mg per 5 mL.
Open toolGallons to Ounces Converter
Convert US or imperial gallons to fluid ounces, cups, pints, quarts, liters, and milliliters.
Open tool
Category 02
Electrical
Electrical planning tools, including wire sizing for practical project estimates.
1 tool
Category 03
Exterior
Fence, deck, siding, pond, paver, and outdoor improvement calculators.
6 tools
Fencing Calculator
Estimate panels, posts, rails, and spacing for fence runs.
Open toolDeck Stain Calculator
Estimate deck stain coverage for boards, railings, stairs, and multiple coats.
Open toolSiding Calculator
Estimate siding area, openings deductions, gables, and box or bundle counts with waste.
Open toolPaver Calculator
Estimate paver count, bedding sand, base material, and edge restraint for hardscapes.
Open toolPond Calculator
Estimate pond volume, liner size, excavation, edging length, and pump flow for garden and koi ponds.
Open toolBaluster Calculator
Calculate baluster count, equalized spacing, center marks, and waste for deck and porch railings.
Open tool
Category 04
Finishes
Paint, wallpaper, and finish material calculators for rooms and surfaces.
2 tools
Category 05
Interiors
Flooring, tile, drywall, carpet, grout, and thinset calculators for indoor projects.
6 tools
Flooring Calculator
Measure floor area and material quantities for tile, wood, or vinyl installs.
Open toolTile Calculator
Calculate tile counts, carton quantities, and coverage for floors and walls.
Open toolDrywall Calculator
Estimate drywall sheet count and coverage for walls, ceilings, and room layouts.
Open toolCarpet Calculator
Estimate carpet purchase area, roll usage, seams, and linear footage for room layouts.
Open toolThinset Calculator
Estimate thinset mortar bags for tile installs using area, trowel coverage, waste, and back-buttering allowance.
Open toolGrout Calculator
Estimate grout bags for tile installs using area, tile size, joint width, joint depth, grout type, and waste.
Open tool
Category 06
Lumber
Framing, boards, plywood, board feet, and wood material planning calculators.
4 tools
Board Foot Calculator
Calculate board feet, lumber volume, and lineal totals for hardwood and framing stock.
Open toolLumber Calculator
Plan lumber quantities for framing, decking, and structural layouts.
Open toolPlywood Calculator
Estimate plywood sheet counts for floor and wall sheathing with waste allowance.
Open toolFraming Calculator
Estimate wall studs, plates, headers, opening framing, sheathing sheets, and waste allowance.
Open tool
Category 07
Masonry
Brick, mortar, and masonry material estimators for wall and repair work.
2 tools
Category 08
Measurements
Area, room size, square footage, cubic feet, and cubic meter calculators.
4 tools
Room Size Calculator
Measure room dimensions, usable area, and layout planning totals.
Open toolSquare Footage Calculator
Calculate total square footage for simple and multi-room plans.
Open toolCubic Feet Calculator
Calculate cubic feet for boxes, rooms, and cylinders with cubic yard and metric conversions.
Open toolCubic Meter Calculator
Calculate cubic meters for boxes, rooms, and cylinders with liters and imperial conversions.
Open tool
Category 09
Pools
Pool volume, pool chemical, pond, and water feature planning calculators.
3 tools
Pool Calculator
Plan volume, excavation, liner area, perimeter, and surrounding deck takeoffs for common pool shapes.
Open toolPool Volume Calculator
Calculate pool volume for rectangle, circular, and oval pools with flat or sloped depths.
Open toolPool Chemical Calculator
Estimate chlorine, pH, alkalinity, calcium, stabilizer, and salt dosing from pool volume.
Open tool
Category 10
Roofing
Roof pitch and roofing material calculators for planning roof projects.
2 tools
Category 11
Sitework
Concrete, gravel, sand, asphalt, retaining wall, paver, and bulk material tools.
6 tools
Concrete Calculator
Work out slab, footing, and column volume for concrete pours.
Open toolGravel Calculator
Figure out gravel volume, depth, and tonnage for paths or pads.
Open toolSand Calculator
Estimate sand volume, weight, and bag count for bedding, fill, and site prep.
Open toolAsphalt Calculator
Estimate asphalt tonnage, compacted volume, and truckloads for driveways and paved areas.
Open toolCubic Yards to Tons Calculator
Convert cubic yards to tons for gravel, sand, soil, asphalt, mulch, and other bulk materials.
Open toolRetaining Wall Calculator
Estimate retaining wall blocks, caps, base gravel, drainage stone, pipe, fabric, and optional geogrid.
Open tool
Category 12
Structural
Reinforcement and structural material calculators for practical planning.
1 tool