Calculation Tools
Collection of calculation tools, including molecular weight calculator, equation balancer, unit converter, structure image recognition and conversion, 3D conformation generator and more.
Molecular Weight Calculator
Fast and accurate 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
Balance formula-based chemical equations with exact integer coefficients and automatic atom-conservation validation.
Atomic Properties Calculator
Calculate and view detailed properties of chemical elements using their atomic symbols.
Unit Converter
Convert between different units of measurement including length, mass, volume, temperature, pressure, and energy. Supports common scientific and engineering units.
pH Calculator
Calculate pH values from H+ concentration, pOH, or acid/base solutions. Includes visual pH scale and detailed results.
Solution Preparation Calculator
Calculate required amounts of solute and solvent for preparing solutions of specific concentrations. Supports molarity, molality, mass percentage, and PPM.
Reaction Kinetics Calculator
Calculate Arrhenius rate constants and integrated rate-law half-lives from user-supplied kinetic parameters.
Thermodynamics Calculator
Calculate Gibbs energy from user-supplied enthalpy, entropy, temperature, and optional constant heat capacity.
Phase Diagram Calculator
Explore phase states for supported pure substances using sourced critical points, triple points, and vapor-pressure correlations.
Chemical Properties Calculator
Calculate chemical properties including density, molarity, molecular weight, and more. Get instant results for your chemical calculations.
Chemical Safety Information Lookup
Look up reference chemical properties and hazard information by name or CAS number. This summary is not a substitute for a supplier-issued SDS.