A sprawling chemical plant with pipelines and storage tanks at dusk, illustrating an industrial engineering environment.

Engineering calculation tools for tanks and reactors. Made simple.

ApexReact is a specialized tool for process engineers, technicians, and students who need repeatable and traceable calculation outputs.

Interactive Calculation Log

Tank Volume

1. Cylinder Volume

6.283 m³

Formula: V = π * R² * H

R=1.000m

·

H=2.000m

Heat Transfer

2. Required Heat Energy (Q)

786.97 kJ

A Tool Built for Technical Professionals

From Basic Volumes to Advanced Hydraulics

ApexReact gives you the insight and traceability you need to make better, faster engineering decisions.

Design with Precision

Model complex tank geometries, from vertical cylinders to horizontal vessels with various head types, to help improve accuracy early in the design process.

Simulate the Physical World

Go beyond simple volumes. Model decanting, heat transfer, agitation, and pipe hydraulics to estimate performance trends and explore optimization scenarios.

Control Every Variable

Our unique floating toolbox and real-time visualization allow you to dynamically adjust every parameter and see the impact instantly.

Achieve Full Transparency

No black boxes. Our interactive calculation log shows you every formula, variable, and intermediate step, providing full traceability for your results.

See Your Savings in Real-Time

Adjust the sliders to reflect your company's current processes and see how much time and money you can save by eliminating manual calculations and spreadsheet errors.

2 people

How many employees regularly perform process calculations?

70 USD/hour

The average hourly cost for a technical employee.

5 calculations

The number of complex calculations each person performs per week.

4 hours

Average time spent on research, setup, and manual calculation.

Annual Time Savings
1,872 hours

Time freed up for value-added engineering work.

Annual Cost Savings
$131,040

Based on a 90% reduction in time spent on calculations.

Based on Recognized Engineering Standards

Based on formulas, methods, and correlations commonly referenced in ASME, API, and ISO guidelines, with full transparency into calculation steps.

Important Notice

ApexReact provides computational tools intended to support engineering analysis. All results must be independently reviewed and validated before real-world use. ApexReact does not provide certified, final, or authoritative engineering results.