Chemistry Calculators
Chemistry calculators for molarity, molar mass, and reactions
64 calculators available now
Molarity Calculator
Calculate molarity concentration M moles per liter
Molality Calculator
Calculate molality m moles per kg solvent
Dilution Calculator
Calculate dilutions using C1V1 equals C2V2
pH Calculator
Calculate pH pOH H+ and OH- concentrations
Molar Mass Calculator
Calculate molecular weight from chemical formula
Stoichiometry Calculator
Calculate reactant and product quantities from balanced equations
Ideal Gas Law Calculator
Calculate PV equals nRT with all variable solving
Enthalpy Calculator
Calculate reaction enthalpy using Hess Law and formation enthalpies
Titration Calculator
Calculate acid-base titration concentrations
Limiting Reagent Calculator
Identify limiting reagent in chemical reactions
Percent Yield Calculator
Calculate theoretical vs actual yield percentage
Actual Yield Calculator
Calculate actual yield, percent yield, or theoretical yield for reactions
Bond Order Calculator
Calculate bond order using Lewis structures or molecular orbital theory
pKa Calculator
Calculate pKa from Ka or pH calculations
Concentration Calculator
Calculate solution concentrations in multiple units
Reaction Rate Calculator
Calculate chemical reaction rates and rate constants
Equilibrium Constant Calculator
Calculate Keq for chemical equilibrium
Buffer Solution Calculator
Calculate buffer pH using Henderson-Hasselbalch
Redox Reaction Calculator
Balance redox reactions and calculate oxidation states
Buffer Capacity Calculator
Calculate buffer capacity from acid/base added and pH change
Buffer pH Calculator
Calculate buffer pH using the Henderson-Hasselbalch equation
Chemical Equation Balancer
Balance chemical equations by adjusting stoichiometric coefficients
Chemical Name Calculator
Generate IUPAC chemical names from molecular formulas
Combustion Analysis Calculator
Determine empirical formula from combustion analysis data
Combustion Reaction Calculator
Balance combustion reactions for hydrocarbons
Degree of Unsaturation Calculator
Calculate index of hydrogen deficiency and double bond equivalents
Dilution Factor Calculator
Calculate dilutions using C1V1 = C2V2 formula
Effective Nuclear Charge Calculator
Calculate effective nuclear charge using Slater rules for any element
Electrolysis Calculator
Calculate mass deposited, current, or time using Faraday laws of electrolysis
Electronegativity Calculator
Calculate electronegativity difference and bond type between elements
EMF Calculator
Calculate cell potential using standard electrode potentials
Entropy Calculator
Calculate entropy change for reactions and isothermal gas processes
Freezing Point Depression Calculator
Calculate freezing point depression and boiling point elevation for solutions
Gibbs Free Energy Calculator
Calculate Gibbs free energy change from enthalpy, entropy, or equilibrium constant
Grams to Moles Calculator
Convert between mass in grams and number of moles using molar mass
Heat of Combustion Calculator
Calculate enthalpy of combustion for common fuels and compounds
Hydrogen Ion Concentration Calculator
Calculate H concentration from pH, pOH, or acid dissociation
Ionic Strength Calculator
Calculate ionic strength of solutions from ion concentrations and charges
Isoelectric Point Calculator
Calculate isoelectric point (pI) for amino acids and proteins
Kp Calculator
Convert between Kc and Kp equilibrium constants for gas reactions
Langmuir Isotherm Calculator
Calculate Langmuir adsorption isotherm parameters and surface coverage
Lattice Energy Calculator
Calculate lattice energy for ionic compounds using Born-Haber cycle
Liquid Ethylene Density Calculator
Calculate liquid ethylene density at different temperatures and pressures
Mass Percent Calculator
Calculate elemental mass percent composition from chemical formulas
Michaelis-Menten Calculator
Calculate enzyme kinetics parameters Vmax, Km, and reaction velocities
Mixing Ratio Calculator
Calculate mixing ratios, component masses, and dilution concentrations
Molar Mass of Gas Calculator
Calculate molar mass of gases using ideal gas law from mass and volume
Molar Ratio Calculator
Calculate molar ratios from balanced chemical equations for stoichiometry
Mole Calculator
Convert between moles, mass, and number of particles using Avogadro number
Mole Fraction Calculator
Calculate mole fractions in multi-component mixtures
Moles to Atoms Calculator
Convert between moles and number of atoms using Avogadro number
Nernst Equation Calculator
Calculate cell potential under non-standard conditions using the Nernst equation
Net Ionic Equation Calculator
Write net ionic equations by identifying spectator ions in reactions
Neutralization Calculator
Calculate concentration and volume for acid-base neutralization reactions
Normality Calculator
Convert between normality and molarity for acids, bases, and salts
Osmotic Pressure Calculator
Calculate osmotic pressure using van Hoff equation for solutions
Partial Pressure Calculator
Calculate partial pressures using Dalton law and mole fractions
Percent Composition Calculator
Calculate elemental mass percent composition from chemical formulas
Percent Ionic Character Calculator
Calculate percent ionic character of bonds from electronegativity difference
Percent Solution Calculator
Calculate mass percent, volume percent, and mass/volume percent concentrations
Percentage to Molarity Calculator
Convert weight percent and volume percent concentrations to molarity
Reconstitution Calculator
Calculate reconstitution volume and concentration for powdered compounds
STP Calculator
Calculate gas volume, moles, or conditions at standard temperature and pressure
Vapor Pressure of Water Calculator
Calculate water vapor pressure at different temperatures using standard formulas