Peptide Lab Calculators
Free tools for the arithmetic of peptide work: concentrations, molarity, molecular weight and dilutions. Each one shows its working so you can check the result by hand.
Peptide Reconstitution Calculator
Vial size and diluent volume in; concentration and the volume holding a given amount out.
Open calculator →Peptide Molarity Calculator
Convert between peptide mass, molecular weight and molar concentration (mM, µM).
Open calculator →Peptide Molecular Weight Calculator
Paste a sequence to get average MW, monoisotopic mass, [M+H]⁺ and molecular formula.
Open calculator →Peptide Dilution Calculator
How much stock solution and diluent to combine for a working concentration.
Open calculator →