Calculate protein molecular weight from amino acid sequences instantly. Free calculator for biochemistry research, SDS-PAGE prep, and mass spec analysis. Get accurate results in Daltons.
Calculate the molecular weight of a protein based on its amino acid sequence.
Use standard one-letter amino acid codes (A, R, N, D, C, etc.). Molecular weight is calculated automatically as you type.
This calculator estimates the molecular weight of a protein based on its amino acid sequence.
The calculation takes into account the standard molecular weights of amino acids and the water loss during peptide bond formation.
For accurate results, ensure you enter a valid amino acid sequence using standard one-letter codes.
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