WienerDog Projects · deterministic calculators

Construction Calculator Center

Estimate common project materials without an AI call. Enter your dimensions and WienerDog calculates quantities for concrete, gravel, paint, drywall, flooring, roofing, decks, stairs and lumber.

Concrete Gravel Paint Drywall Flooring Roofing Deck Boards Stairs Board Feet

Volume & bags

Concrete

Length (ft)Width (ft)Thickness (in)

Waste / overage (%)

Bag counts use approximate yields of 0.60 ft³ for an 80-lb bag and 0.45 ft³ for a 60-lb bag. Check the product label before buying.

Aggregate & fill

Gravel / Stone

Length (ft)Width (ft)Depth (in)

Density (tons / yd³)Waste / compaction (%)

Material density varies substantially. The editable 1.4 tons/yd³ starting value is only a rough planning assumption.

Walls & coats

Interior Paint

Room length (ft)Room width (ft)Wall height (ft)

Doors/windows to subtract (ft²)CoatsCoverage (ft² / gal / coat)

Waste / touch-up (%)

Sheets & area

Drywall

Room length (ft)Room width (ft)Wall height (ft)

Sheet sizeWaste (%)Ceiling Include ceiling

This is a sheet-count estimate before subtracting doors/windows. Layout, seams, offcuts and fire/moisture-rated assemblies can change the purchase quantity.

Boxes & waste

Flooring

Floor area (ft²)Waste (%)Coverage per box (ft²)

Area, squares & bundles

Roofing

Projected roof length (ft)Projected roof width (ft)Pitch rise per 12 in

Waste (%)Bundles per square

Uses projected plan area × pitch factor. Add overhangs to the dimensions and measure complex roofs by section.

Rows & stock boards

Deck Boards

Board run / deck length (ft)Width across boards (ft)Actual board width (in)

Gap (in)Stock board length (ft)Waste (%)

This estimates board rows and total stock length. Actual board count can change with joint layout, picture framing and available stock lengths.

Planning geometry

Stairs

Total rise (in)Preferred maximum riser (in)Tread depth / run (in)

Planning geometry only. Stair dimensions, landings, headroom, nosings, handrails and guards are code-sensitive—verify the requirements for the actual project location before construction.

Lumber volume

Board Feet

Thickness (in)Width (in)Length (ft)Quantity

Board feet use the entered dimensions. For surfaced lumber, decide whether your supplier prices nominal or actual dimensions.

Keep exploring

Check measurements with the unit converter and Calculator Center.

For offline workshop calculators and references on Android, explore Workshop Tools from The Educated Monkey.

Ask WienerDog is a free platform from The Educated Monkey LLC. App pages link to Google Play for current pricing and compatibility.