Chemistry
Online chemistry calculators: molar mass, moles, reactions, stoichiometry, concentration, dilutions. Accurate tools with formulas and examples for students and professionals.
211 services|Published: Sep 19, 2025|Updated: Jan 7, 2026
Online chemistry calculators: molar mass, moles, reactions, stoichiometry, concentration, dilutions. Accurate tools with formulas and examples for students and professionals.
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💾Acid Base Mixture pH Estimator📎Acid Base Strength Table🌡️Activation Energy from Two Temperatures🖥️Activity Coefficient Estimator Debye Huckel🎛️Air Concentration ppm to mg per m3🔄Ammonia Concentration Unit Converter🧮Arrhenius Equation Calculator⚙️Arrhenius Plot Data Generator🧮Ash Content Calculator🧮Atoms To Moles Calculator🧮Avogadros Number Calculator Reference📐Balancing Ionic Equations Helper🧮Beer Lambert Law Calculator Absorbance Calculator🔗Beer Lambert Law Solver🔄Bicarbonate Concentration Unit Converter🧮Boiling Point Elevation Calculator👨🏫Buffer Capacity Estimator🪙Buffer Compatibility Matrix🧮Buffer Preparation Calculator🧮Buffer Ratio Calculator📋Buffer Recipe Mixer🧮Buffer pH Calculator Henderson Hasselbalch Equation🧮CT Disinfection Calculator🧮Calcium Concentration Unit Converter🧮Calorimetry Calculator🧮Catalyst Loading Calculator🧮Catalytic Hydrogenation Stoichiometry Calculator🧮Charge To Moles Of Electrons Calculator🔄Chemical Amount Converter🔄Chloride Concentration Unit Converter🧮Chromatography Resolution Calculator🧮Clausius Clapeyron Calculator🧮Colligative Properties Calculator Boiling Point Elevation🧰Colligative Properties Multi Tool🧮Combustion Stoichiometry Calculator📝Common Buffer Table🧮Common Ion Effect Calculator📦Complex Formation Solubility Helper🔄Concentration Unit Converter🔄Conductivity to TDS Converter⚗️Confidence Interval For Analytical Chemistry🧮Corrosion Rate Calculator🧮Daltons Law Partial Pressure Calculator🧮Degree Of Unsaturation Calculator🧮Dehydration Stoichiometry Calculator🧮Density Calculator🧮Dilution Calculator🧮Disproportionation Stoichiometry Calculator🧮E Factor Calculator🧮EDTA Complexometric Titration Calculator🧮Electrochemical Cell EMF Calculator Nernst Equation🧮Electrolysis Gas Volume Calculator🧮Electroplating Mass Calculator🧮Elimination Stoichiometry Calculator🧮Empirical Formula Calculator🔄Energy Unit Converter Joules Calories eV🔄Energy Unit Converter for Chemistry🎓Enthalpy from Heats of Formation⚡Entropy and Free Energy Table Builder🧮Equilibrium Constant Calculator Kc And Kp💬Equilibrium Constant from DeltaG🧮Equivalent Weight Calculator🧮Esterification Alternative Stoichiometry Calculator🧮Excess Reactant Calculator🧮Eyring Equation Calculator🧮Faradays Law Of Electrolysis Calculator📈Flame Test Reference Guide🧮Formal Charge Calculator🧮Freezing Point Depression Calculator🔒Functional Group Analyzer🧮Gas Density Calculator🧮Gibbs Free Energy From EMF Calculator Delta G Equals Minus n F E⚡Gibbs Free Energy from DeltaH DeltaS🧮Glassware Volume Calculator🧮Grahams Law Of Effusion Calculator🧮Gravimetric Analysis Calculator🗂️HPLC Gradient Table Builder🗂️HPLC Mobile Phase Mixer🧮Half Life Calculator First Order🧮Half Life Calculator Second Order🧮Half Life Calculator Zero Order🧮Heat Calculator Q Equals m c Delta T📠Heat of Reaction from Bond Energies🧮Heat of Solution Calculator🧮Hess Law Enthalpy Calculator🧮Hydration Stoichiometry Calculator🧮Hydrolysis Constant Calculator🧮Hydrolysis Stoichiometry Calculator🧑💼ICE Table Builder for Equilibria📢IR Functional Group Reference Finder🧮Ideal Gas Law Calculator🧠Indicator Selection Helper🧮Integrated Rate Law Calculator🧮Internal Standard Calibration Calculator🧮Iodometric Titration Calculator🔍Ion Product Q vs Ksp Checker🧮Ionic Strength Calculator🔢Isomer Counter Theoretical📥Isotopic Abundance Mixer🧮Karl Fischer Water Content Calculator🧮Ksp Solubility Calculator⚙️Lab Notebook Template Generator🛡️Lab Safety Compatibility Chart🤖Lewis Structure Builder Helper🧮Limit of Detection LOD Calculator🧮Limiting Reactant Calculator🔄Magnesium Concentration Unit Converter🧮Mass Percent Calculator🧮Mass Spectrometry m z Calculator🧮Mass To Mole Calculator🔄Mass Unit Converter for Lab🧮Mass Volume Percent Concentration Calculator🖇️Method of Initial Rates Helper🧮Moisture Content Calculator🧮Molality Calculator🧮Molar Mass from Formula Calculator🧮Molar Volume Calculator At STP🧮Mole Calculator🧮Mole To Mass Calculator🧮Molecular Formula Calculator🧮Moles To Atoms Calculator🏷️NMR Solvent Peak Reference🔄NMR ppm to Hz Converter🧮Neutralization Reaction Calculator🧮Neutralization Stoichiometry Calculator🔄Nitrate Concentration Unit Converter🧮Nitration Stoichiometry Calculator🧮Normality Calculator🧮Osmolarity Calculator🧮Osmotic Pressure Calculator🧮Oxidation Number Calculator🧮Oxidation Stoichiometry Calculator📋PPE Selector for Lab Tasks🧮Partition Coefficient Calculator🧮Parts Per Million PPM Calculator🧮Peak Asymmetry Factor Calculator🧰Peak Capacity Estimator🧮Percent Composition from Formula Calculator🧮Percent Recovery Calculator🧮Percent Yield Calculator📡Periodic Table Quick Lookup🔄Phosphate Concentration Unit Converter🧮Pipetting CV Calculator🧮Polymerization Stoichiometry Calculator🔄Potassium Concentration Unit Converter🔄Pressure Unit Converter🧮Primary Standard Weighing Calculator💰QC Control Chart Helper📋Qualitative Analysis Flowchart Helper🧮Radiation Dose Calculator🔄Raman Shift Converter🧮Rate Constant k Calculator🧮Reaction Energy Calculator🧮Reaction Mass Calculator For Organic Synthesis🧮Reaction Order Calculator🚀Reaction Progress Table Builder🧮Reagent Equivalents Calculator🧮Reagent Solution from Hydrate Calculator🧮Recrystallization Yield Calculator📠Redox Balancing Helper🧮Redox Stoichiometry Calculator🧮Redox Titration Calculator🧮Reduction Stoichiometry Calculator📦Refractive Index to Concentration Tool🧮Retention Factor k Prime Calculator🧮Selectivity Alpha Calculator📅Serial Dilution Planner🎛️Significant Figures Helper🔄Sodium Concentration Unit Converter🖥️Solubility Rules Quick Reference🌡️Solubility vs Temperature Interpolator🔄Solution Concentration Converter📃Solution Conductivity Calibration Helper🪄Solution Stability Log📊Solvent Mix by Mass Percent📊Solvent Mix by Volume Percent🧮Standard Cell Potential Calculator E Nought Cell🗳️Standard Curve Regression Tool🧮Standard State Thermodynamics Calculator🧮Stock Solution Recipe Calculator🧮Stoichiometry For Esterification Calculator📅Stoichiometry Reaction Planner🧮Substitution Stoichiometry Calculator🔄Sulfate Concentration Unit Converter🧮Sulfonation Stoichiometry Calculator🔄Surface Tension Unit Converter🔄TDS ppm to Molarity Converter📅TLC Solvent Ratio Planner🔄Temperature Converter Celsius Fahrenheit Kelvin🌡️Temperature Ramp Kinetics Helper🧮Theoretical Plates Calculator🧮Theoretical Yield Calculator📱VSEPR Geometry Predictor🔄Vacuum Unit Converter🧮Van't Hoff Equation Calculator🧮Vapor Pressure Calculator Raoults Law Calculator🧮Viscometry Relative Viscosity Calculator🔄Viscosity Unit Converter🔄Volume Unit Converter for Lab🧮Water Chlorine Dose Calculator🧮Water Hardness as CaCO3 Calculator🗂️Weak Acid Weak Base pH Tool🧮Weighing by Difference Calculator🧮Workup Salt Brine Mix Calculator🧮pH Calculator🧮pH To Hydrogen Ion Concentration Calculator🔑pH from Strong Acid Base Tool🧮pKa Calculator🧮pKb Calculator🧮pOH Calculator🔄ppm to mg per L Converter