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MechToolkit

Getting Started

Welcome to MechToolkit Documentation. This guide explains how to navigate the platform, use available engineering tools, understand calculation methodologies, and interpret results correctly.

MechToolkit is designed for HVAC engineers, mechanical engineers, students, and technical professionals who require fast access to engineering calculations and reference data.

Navigation

The application is organized into three main sections accessible from the sidebar:

HVAC Tools

Engineering calculators for HVAC system design.

Converters

Unit conversion for common engineering quantities.

Engineering References

Thermodynamic and thermophysical property databases.

Tool Status

Available

Fully functional and ready for use.

Coming Soon

Planned for a future release.

HVAC Tools

Click any tool card to expand methodology, inputs, outputs, and references.

Engineering References

Steam Tables

Thermodynamic properties of saturated and superheated steam.

Properties

  • Temperature
  • Pressure
  • Specific volume
  • Internal energy
  • Enthalpy
  • Entropy

References

  • Çengel & Boles
  • IAPWS Steam Formulations

Air Properties

Temperature-dependent thermophysical properties of dry air.

Properties

  • Density
  • Specific heat
  • Thermal conductivity
  • Dynamic viscosity

References

  • NIST
  • ASHRAE Fundamentals

Water Properties

Thermophysical properties of liquid water.

Properties

  • Density
  • Specific heat
  • Thermal conductivity
  • Viscosity
  • Prandtl number

References

  • NIST Thermophysical Data

Refrigerant Properties

Refrigerant property data for HVAC and refrigeration applications.

Properties

  • R-22
  • R-32
  • R-134a
  • R-410A

References

  • ASHRAE Refrigeration Handbook
  • Manufacturer Data

Unit Converters

Converters perform direct mathematical unit transformations and do not alter physical properties.

PressureTemperatureFlow RateEnergyPowerLengthMass

Unit System

Metric Units

  • kW
  • kPa
  • °C
  • kg
  • m
  • m³/s

Imperial Units

  • psi
  • °F
  • lb
  • ft
  • BTU
  • HP

Unit Conventions

Engineering notation follows SI standards where applicable.

Temperature: °CPressure: kPaFlow Rate: m³/sEnergy: kWhPower: kW

Frequently Asked Questions

Why are my results different from other software?

Differences may occur due to different assumptions, property correlations, reference databases, or rounding methods. Always compare calculation methods before evaluating results.

How accurate are the calculations?

Most engineering calculations are intended for preliminary design and educational use. Property data is displayed with engineering-level precision appropriate for practical calculations.

Which browsers are supported?

Recommended: Google Chrome, Microsoft Edge, Mozilla Firefox, and Safari. For best performance, use the latest browser version.

Changelog

v1.0.0Initial public release

HVAC Tools

  • Cooling Load Calculator

Converters

  • Pressure Converter
  • Temperature Converter
  • Flow Rate Converter
  • Energy Converter
  • Power Converter
  • Length Converter
  • Mass Converter

References

  • Steam Tables
  • Air Properties
  • Water Properties
  • Refrigerant Properties

Roadmap

Planned features for future releases:

Duct Sizing
Pipe Sizing
Chiller Performance Calculator
Report Export (PDF)
Multi-language Support

Disclaimer

All calculations, property data, and engineering references provided by MechToolkit are intended for educational, research, and preliminary engineering purposes only.

Users must verify all results against applicable standards, project requirements, and professional engineering practices before implementation.

© 2026 Rijal Gunaldi · MechToolkit v1.0.0