Engineering Toolkit

Calculators

Choose a calculator to start your engineering calculations.

Unit Converter

Convert between metric and imperial units — length, mass, volume, pressure, temperature, and more.

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Horizontal Tank Volume Calculator

Calculate the liquid volume in a partially-filled horizontal cylindrical tank from diameter, length and liquid height.

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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.

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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.

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