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Heat Exchanger Effectiveness Calculator

Computes heat exchanger thermal effectiveness (ε) using the NTU-effectiveness method for parallel-flow, counter-flow, and cross-flow configurations. Used by engineers to evaluate or size heat exchangers without knowing outlet temperatures.

Number of Transfer Units (NTU)

Capacity Rate Ratio (Cmin/Cmax)

Flow Configuration

Fill in the required fields to see your result.

Chemical Engineering

Chemical Reactor Conversion Calculator

Calculate the required volume of a continuous stirred-tank reactor (CSTR) to achieve a target conversion for first- or second-order reactions. Essential for chemical process design and scale-up.

Initial Reactant Concentration (mol/L)

Reaction Rate Constant (L/mol·s)

Volumetric Flow Rate (L/min)

Desired Conversion (%)

Reaction Order

Fill in the required fields to see your result.

Key differences

	Heat Exchanger Effectiveness Calculator	Chemical Reactor Conversion Calculator
Category	Chemical Engineering	Chemical Engineering
Inputs required	3	5
Result	Heat Exchanger Effectiveness	Required Reactor Volume (L)
What it does	Computes heat exchanger thermal effectiveness (ε) using the NTU-effectiveness method for parallel-flow, counter-flow, and cross-flow configurations. Used by engineers to evaluate or size heat exchangers without knowing outlet temperatures.	Calculate the required volume of a continuous stirred-tank reactor (CSTR) to achieve a target conversion for first- or second-order reactions. Essential for chemical process design and scale-up.