Chemistry Utils

Chemistry calculators and reference tools. Periodic table lookups, molecular weight calculations, dilutions, and chemical conversions — all client-side.

Buffer Solution

Use the Henderson-Hasselbalch equation to calculate pH, pKa, or acid/base ratios for buffer preparation.

Chemical Equation Balancer

Instantly balance any chemical equation with step-by-step verification and atom count breakdown.

Dilution Calculator

Free online dilution calculator using the C1V1 = C2V2 equation. Calculate concentration or volume for solution dilutions in chemistry and biology.

Electron Configuration

Get full and noble gas shorthand electron configurations, orbital diagrams, and quantum numbers for all 118 elements.

Empirical Formula

Determine the empirical and molecular formula of a compound from element percentages or masses.

Gas Laws Calculator

Solve Ideal Gas Law (PV=nRT), Boyle's Law, Charles's Law, and Gay-Lussac's Law problems instantly.

Interactive Periodic Table

Explore the interactive periodic table with detailed element information.

Molarity

Calculate molarity, mass, volume, or molecular weight for solution preparation.

Molecular Weight

Calculate the molecular weight of any chemical compound from its formula.

Oxidation Number

Determine oxidation states of atoms in chemical compounds, ions, and molecules using standard rules.

Percent Composition

Calculate the mass percentage of each element in a chemical compound from its formula.

Calculate pH from hydrogen ion concentration, pOH, or convert between pH and pOH.

Stoichiometry Calculator

Balance chemical equations and calculate reactant/product masses, moles, and volumes from balanced reactions.

Feedback

Help us improve this page by providing feedback, and include your name/email if you want us to reach back. Thank you in advance.

Share with

Chemistry Utils

Feedback

Alert