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Our combined stress calculator converts primary and shear stresses of elastic materials into combined, equivalent and principal stresses (incl. cosines)

The co-ordinates calculator converts between cartesian and polar vector co-ordinate systems and also between latitude-longitude angular dimensions and UTM surface distances

Copalloys is a comprehensive database of the principle physical properties of over 200 UNS copper alloys with verifiable values for every alloy and every property

Core Pressure is a calculation facility for the interior structure (density and pressure) of a planetary body such as a star, planet or moon

Our electrical current calculator determines the relative properties of alternating & direct currents and the transmission capacity of electrical conductors

The ellipse calculator determines the dimensional properties of the three elliptical curves; ellipse, hyperbola and parabola including arc lengths and areas

Our engineering basics calculator includes most universal engineering formulas such as bending/axial/tensile beam loads, energy, capstans, motors, springs, etc.

Explosions calculates the thermodynamic properties of a pressure wave generated by an explosion according to thermodynamic principles and Sadovsky's formulas

The fan calculator determines the performance characteristics of generic, axial and centrifugal fans based upon impeller and casing design

Flange Gaskets is a dimensional database for 1000 standard piping and pipeline gaskets, and a includes a calculator for their basic gasket seating width (bₒ) used in our Flanges calculator

Flanges is a database and calculation facility for pipeline and piping flanges according to ANSI/ASME VIII design code

Beams+ determines the behaviour of large-deflection beams including: cantilever, touchdown, stiffness, fishing rod and axial compression configurations

Our fluid forces calculator determines the terminal speed of a body or force vectors induced on it when moving relative to a fluid (e.g. air or water)

The fluid numbers calculator can be used to identify the dimensionless ratios (or coefficients) used to predict the behaviour of fluids from either practical or theoretical models

Friction determines the sliding resistance between any two material surfaces under load and dimensions equivalent Morse Tapers (0 to 7) for any combination of materials

Our galvanic corrosion calculator provides the relative nobility between most metals when immersed in an electrolyte, incl. electronegativity of metal elements

The gear calculator is used to calculate the dimensional and performance properties of mating gear and pinion wheels including tooth profiles and stresses.

The hardness calculator converts between various Vickers, Brinell, Shore and Rockwell hardness sub-scales

Design overview for an innovative HPHT flexible pipe for the onshore and offshore oil and gas production and exploration industries with significant advantages over all equivalent products availabl...

Journals calculates the performance characteristics of plain bearings (Journal bearings) based upon the theory proposed by Michell and Cardullo.

Our lift rigging calculator determines loading and configuration details of multi-leg (2, 3 and 4) lifting systems used in conjunction with cranes and winches