Reference

Molecular Weight Calculator

Compute peptide MW from single-letter amino acid sequence.

Common peptide preset (optional)

Amino acid sequence (single-letter codes, e.g. GEPPPGKPADDAGLV)

Result

Molecular weight— Da (g/mol)

Residues—

Sequence—

Uses average residue masses. Add −18.01 Da per missing terminus (e.g. C-terminal amide).

For Research Purposes Only.Not for human consumption.