Quick reference for the lab
Bookmarkable calculators and lookups for everyday lab work. The compound pages give you molar mass, properties, and basic hazard notes; for handling decisions, always go to the SDS.
Dilution Calculator
C₁V₁ = C₂V₂ with one variable left blank.
Concentration Converter
Molarity, ppm, ppb, mass percent, with the conversion path written out.
Compound Database
Properties and molar mass for several hundred common compounds. Reference only — defer to your SDS.
Molar Mass Calculator
Type the formula, get the molecular weight. Handles parentheses, hydrates, and polyatomics.