nestingcalc.com

Optimize 1D cutting plans for bars, pipes and profiles (linear cutting stock problem, best-fit decreasing heuristic).

Optimize 2D guillotine cutting plans for plywood, MDF, glass, sheet metal (2D nesting with kerf, per-part rotation lock for grain direction, optional sheet trim and multiple stock sizes).

Calculate board feet and lumber cost (thickness x width x length / 144 in inches).

Miter angles three ways: corner mode (any corner angle between two pieces), sides mode (regular polygon with N sides), crown mode (miter + bevel for crown molding at a spring angle).

Weight of lumber by species, dimensions, quantity and moisture (dry/fresh), using species density tables.

Rebar weight takeoff (d2/162 rule): total length, weight in kg and bars per tonne for a list of rebar lines.

Weight of metal stock per profile: pipe/tube (OD + wall), round bar, square/rectangular tube, flat bar, angle, beam/I-beam.

CNC spindle RPM and feed rate from tool diameter, flute count, chip load and cutting speed.

Convert sheet metal gauge to thickness (mm) or thickness to gauge, and compute sheet weight for steel, stainless, aluminum or galvanized steel.

Tiles, boxes and cost for a room: room and tile dimensions, grout width, waste factor by layout pattern (straight, offset, diagonal, herringbone.

Wallpaper rolls needed for a wall, accounting for pattern repeat and openings.

Equal baluster/spindle spacing for a run: number of balusters, exact gap and positions.

Laminate/vinyl plank takeoff: planks, boxes and cost with offcut reuse between rows (best-fit), expansion gap, layout waste presets and direction.

Resize an embroidery design file (PES or DST) by a scale percentage.

Hoppus (quarter-girth) volume of round logs from mid-length circumference and length: (C/4)^2 x L.

Cubic volume of a log by classical formula: Huber (mid diameter only), Smalian (both end diameters) or Newton (all three, most accurate).

Japanese Agricultural Standard (JAS) log scale: official diameter rounding (floor to 1 cm below 14 cm, even 2 cm at 14 cm and above), oval-log averaging, optional +2 cm ovality adjustment and the length allowance for logs over 6 m.

Convert timber quantities between m3, ft3, board feet, MBF, Hoppus ft3, Hoppus m3 and Hoppus tons, and translate a price quoted in any unit into $/m3 and $/MBF (1 MBF = 2.

Weight of a roundwood/log batch at any moisture content: W = volume x basic density x (1 + MC/100), per USDA Wood Handbook 2021 Ch.

Stowage factor SF = cargo volume (m3) / cargo mass (tonnes), with classification against the IMO CSS Code Table 4.

How many uniform cartons fit in a shipping container before cube-out or weigh-out.

Sawmill recovery rate (lumber recovery factor): sawn volume out / roundwood volume in, benchmarked against FAO/EU/SE-Asia reference ranges.

Wood moisture content (WH-2021 Ch.

Wood shrinkage from a start MC to an end MC (WH-2021 Eq.

Equilibrium moisture content (EMC) from temperature and RH using the Hailwood–Horrobin sorption model (Simpson 1973 coefficients, desorption branch — WH-2021 Ch.

Kiln charge capacity: wood volume per batch (AH-188 / TechDrying).

Rough sizing — convert between finished (planed, kiln-dried) and rough-sawn dimensions before drying and planing.

Convert firewood volume between cord (128 ft3), stere/Raummeter (stacked m3), solid m3 (Festmeter), loose m3 and ft3, with optional weight estimate by wood species (dry/fresh).

Spindle speed (RPM) from cutting speed: n = Vc*1000/(pi*D) metric, n = Vc*12/(pi*D) imperial.

Cutting speed from spindle speed: Vc = pi*D*n/1000 metric (m/min), SFM = pi*D*n/12 imperial.

Allowable load on a simply supported rectangular timber beam (planning estimate, Eurocode 5 conventions, EN 338 grades C16-D40/D24-D40).

Cut-to-size glass cost and weight estimate: net area with optional waste allowance, weight (2.

Cumulative yield through a wood production chain (sawing -> drying -> machining -> finishing).

Wood adhesive quantity: bond area x spread (g/m2, TDS presets like PVAc D3 175, EGP 250, finger-joint PUR 530) x application faces x waste allowance.

Wood finishing paint quantity.

Packing CBM for cartons: per-line and lot volume (m3), total weight and lot density, with a cube-out / weigh-out verdict against the 40HC balanced density (390 kg/m3 - same presets as container loading).

Bill-of-materials cost roll-up for furniture: buy quantity = net qty x (1 + waste%, verified presets: S4S lumber 18%, rough 28%, nested panels 10%, hardware 3%), line and total costs, cost per product and a selling price from a target margin (price = cost / (1 - margin)).