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Both calculators run independently — change the inputs on either side to compare results.

Mechanical

Heat Exchanger Effectiveness Calculator

Calculate the actual heat transfer rate of a heat exchanger using the effectiveness-NTU method. Useful for sizing or evaluating shell-and-tube, plate, or counterflow heat exchangers.

Fill in the required fields to see your result.
Mechanical

Pressure Vessel Wall Thickness Calculator

Determines the minimum wall thickness required for cylindrical or spherical pressure vessels under internal pressure. Use it when designing tanks, boilers, or piping to meet safety codes.

Fill in the required fields to see your result.

Key differences

Heat Exchanger Effectiveness CalculatorPressure Vessel Wall Thickness Calculator
CategoryMechanicalMechanical
Inputs required65
ResultHeat Transfer Rate (W)Minimum Wall Thickness (mm)
What it doesCalculate the actual heat transfer rate of a heat exchanger using the effectiveness-NTU method. Useful for sizing or evaluating shell-and-tube, plate, or counterflow heat exchangers.Determines the minimum wall thickness required for cylindrical or spherical pressure vessels under internal pressure. Use it when designing tanks, boilers, or piping to meet safety codes.