Guides -

Step-by-step explanations of the mathematics behind each calculator.

Calculator Guides

Every input and result of the calculator explained.

Stock, final and solvent volumes with C1V1 = C2V2.

Amount divided by volume, in mg/mL and mcg/mL.

Ratios, unit checks and rounding.

How solvent volume sets concentration.

Why gross weight is not peptide weight.

Residue masses, water and terminal groups.

mg, mcg, mL and U-100 syringe units.