ChemToolsHub
Free online chemistry tools for calculations and structure conversions
What is ChemToolsHub? Complete Overview
ChemToolsHub is a comprehensive platform offering free online tools for chemical calculations and structure conversions. It serves as a versatile resource for chemists, students, educators, and professionals in the chemical industry. The platform addresses common pain points such as the need for quick, accurate chemical calculations, structure conversions, and molecular visualizations without requiring expensive software or complex installations. With a user-friendly interface and support for multiple languages, ChemToolsHub makes advanced chemical computations accessible to a global audience. The tools are designed to enhance productivity in research, education, and industrial applications by providing instant results and supporting various chemical formats.
ChemToolsHub Interface & Screenshots

ChemToolsHub Official screenshot of the tool interface
What Can ChemToolsHub Do? Key Features
Atomic Properties Calculator
Calculate and view detailed properties of chemical elements using their atomic symbols. This tool provides essential data such as atomic mass, electron configuration, and electronegativity, making it invaluable for educational and research purposes.
pH Calculator
Quickly determine pH values from H+ concentration, pOH, or acid/base solutions. The tool includes a visual pH scale and detailed results, aiding in laboratory and classroom settings.
3D Conformer Generator
Generate and visualize 3D molecular conformations from SMILES notation. This tool helps users explore different possible 3D arrangements of molecules, enhancing structural analysis and modeling.
Structure Converter
Convert between various chemical structure formats including SMILES, InChI, IUPAC, MOL file, and 2D structure images. The tool ensures seamless interoperability between different chemical software and databases.
Molecular Weight Calculator
An accurate and fast online tool for calculating compound molecular weight, supporting molecular formulas and SMILES input. Widely used in chemical research, education, and industrial applications.
Chemical Equation Balancer
Automatically balance chemical equations, including complex redox reactions. The tool provides stoichiometric coefficients, simplifying the process of chemical equation formulation.
Phase Diagram Calculator
Calculate and visualize phase states of substances at different temperatures and pressures, including critical points, triple points, and phase boundaries. Essential for thermodynamic studies.
Structure Similarity Calculator
Compare chemical structures and calculate similarity scores using different fingerprint methods and similarity metrics. This tool is crucial for drug discovery and molecular similarity analysis.
Best ChemToolsHub Use Cases & Applications
Educational Use
Students and educators can use the tools for classroom demonstrations, homework assignments, and laboratory preparations, enhancing the learning experience with interactive and accurate calculations.
Research Applications
Researchers can leverage the tools for quick molecular weight calculations, structure conversions, and phase diagram analyses, streamlining their workflow and ensuring precision in experiments.
Industrial Chemistry
Professionals in the chemical industry can use the tools for formulation, quality control, and safety assessments, reducing the time and cost associated with traditional methods.
Pharmaceutical Development
The Structure Similarity Calculator and 3D Conformer Generator can aid in drug discovery by comparing molecular structures and exploring conformational spaces.
How to Use ChemToolsHub: Step-by-Step Guide
Visit the ChemToolsHub website and browse through the available tools listed on the homepage.
Select the tool that suits your needs, such as the Molecular Weight Calculator or the Chemical Equation Balancer.
Input the required data, such as molecular formulas, SMILES notation, or chemical equations, into the tool's input field.
Click the 'Calculate' or 'Generate' button to process the input and obtain the results.
Review the results, which may include detailed properties, balanced equations, or visual representations of molecular structures.
Use the export or copy options to save or share the results for further analysis or documentation.
ChemToolsHub Pros and Cons: Honest Review
Pros
Considerations
Is ChemToolsHub Worth It? FAQ & Reviews
ChemToolsHub is a free online chemistry tools platform providing 15+ professional chemical calculators and structure tools, widely used in chemical research, education, and industry.
Yes, all chemistry tools on ChemToolsHub are completely free to use, with no registration or payment required.
ChemToolsHub supports 10 languages, including Chinese (Simplified), English, Japanese, Korean, French, German, Italian, Arabic, Spanish, and Hindi.
Yes, the tools use industry-standard scientific algorithms and the latest atomic mass data to ensure accuracy.
You can send a message through the contact page, and the team will respond promptly to your questions and suggestions.
Yes, ChemToolsHub uses responsive design and supports phones, tablets, and computers.