
Sizing a cylindrical tank from a target capacity
Where the numbers come from in the tank calculator, and which of them are worth checking by hand.
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Unit conversion, vessel and plate sizing, and material take-offs for a dozen trades. Nothing you type is uploaded.
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Convert between JPEG, PNG and WebP, adjust quality, and resize. Handles several files at once.
Open âCombine images into a single PDF. Reorder pages, choose A4 or Letter, and set the margin.
Open âConvert force, pressure, torque, power, energy, flow and more â with every unit shown side by side.
Open âDiameter and height from capacity, or capacity from dimensions. Dished, conical and flat ends, in metres and feet.
Open âHow many steel sheets a tank consumes, counted as rolled courses, with plate area and weight.
Open âHeat duty, boiler horsepower, equivalent evaporation and fuel burn from the steam a plant needs.
Open âHydraulic, shaft and motor power from flow and head, with the next standard motor frame.
Open âVelocity, Reynolds number and friction loss for a liquid line, with the bore checked against practice.
Open âkW and HP, gearbox ratio, shaft torque and the design power to select a drive on.
Open âSurface area from duty, temperatures and coefficient, with the LMTD worked out.
Open âThickness to hold a safe surface temperature, plus heat loss and what it costs over a year.
Open âTonnes an hour from belt width, speed and material, with the power the drive has to deliver.
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Worked examples, unit references, and notes on the calculations behind each tool.

Where the numbers come from in the tank calculator, and which of them are worth checking by hand.
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