Calculator Library
Precision tools designed for mechanical engineers. Streamline your design, analysis, and validation workflows.
14 calculators found
Unit Converter
Convert between metric and imperial units — length, mass, volume, pressure, temperature, and more.
Pump Power Calculator
Pump hydraulic, shaft and drive power with transmission efficiency and API margin factors, plus mechanical-seal PV limit, specific speed and suction specific speed.
Horizontal Tank Volume Calculator
Calculate the liquid volume in a partially-filled horizontal cylindrical tank from diameter, length and liquid height.
Vertical Tank Volume Calculator
Calculate the liquid volume in a vertical cylindrical tank with a flat, conical or 2:1 ellipsoidal bottom from diameter, height and liquid level.
NPSHA Calculator
Calculate Net Positive Suction Head Available (NPSHA) for a pumping system.
Centrifugal Fan & Blower Sizing Calculator
Fan air power, brake horsepower (BHP), operating density correction, motor frame selection, and affinity law speed scaling per AMCA 210 and ASHRAE 51.
Pressure Vessel Design Calculator
Minimum shell and head thickness for an internal-pressure vessel per ASME Sec VIII Div 1, from design pressure, diameter, allowable stress, joint efficiency and corrosion allowance.
Beam Deflection Calculator
Maximum deflection of a simply-supported beam under a centre point load or a uniformly distributed load, with an L/ratio serviceability check and maximum bending moment.
Overhead Crane Calculator
Full design chain for a double-girder overhead crane — dead weight, wheel load, impact load, girder design load, bending moment, deflection check, hoist-rope size, motor power, hook approach and minimum wheel diameter.
Drive Shaft Sizing Calculator
Transmission shaft diameter under combined bending and torsion with ASME B106.1M allowable stress, keyway derating, and fatigue shock factors.
Bolt Tightening Torque & Preload Calculator
Bolt tightening torque, clamping force preload, and thread stress per VDI 2230 and ASME PCC-1 across metric ISO and imperial bolt grades.
Heat Exchanger (LMTD) Calculator
Size a heat exchanger by the LMTD method — log-mean temperature difference, LMTD correction factor F, and required heat-transfer area for counter-current, co-current and shell-and-tube arrangements.
Steam Heating & Steam Consumption Calculator
Required saturated steam flow rate, heat transfer duty, latent heat (hfg), and supply pipe sizing for continuous and batch heating per Spirax Sarco & ASME IAPWS.
Cooling Tower Performance & Water Balance Calculator
Cooling range, approach to wet bulb, thermal heat rejection duty, evaporation loss, blowdown, and make-up water per CTI STD-201.