Free Engineering Calculators for Steel & Fabrication

Free steel weight calculator for plate, sheet, round bar, square bar, pipe and angle. Instant theoretical weight in kg and lb for A36, A572, S355, 304 and 316.

Free steel plate weight calculator. Enter thickness, width and length to get weight per plate, per m², per running metre and total order weight in kg.

Free metal weight calculator for plate, round bar, square bar and pipe. Switch between carbon steel, stainless 304/316, aluminium, copper, brass and titanium.

Free pipe weight calculator. Enter outside diameter and wall thickness to get weight per metre, weight per length, bore and internal volume in litres.

Free stair stringer calculator. Enter total rise, number of risers and tread depth to get stringer length, angle, riser height and total run, checked against common code limits.

Free stair tread calculator. Enter total rise and target riser height to get the number of risers, exact riser height, tread count, total run and stringer length.

Free paint and coating coverage calculator. Enter surface area, spread rate and number of coats to get litres and gallons required, including a wastage allowance.

Free beam deflection calculator for simply supported and cantilever beams under point or uniformly distributed load, with an L/360 serviceability check.

Free container loading calculator for 20GP, 40GP and 40HQ. Enter carton dimensions and unit weight to get pieces per container, payload used and CBM utilisation.

Free cutting speed calculator. Enter cutting speed and tool diameter to get spindle RPM, then add teeth and feed per tooth for the feed rate in mm/min.

Free bolt torque calculator for metric bolts M8 to M36 in grades 8.8, 10.9, 12.9, A2-70 and A4-80. Gives tightening torque, preload and stress area.