DNA Molecular Weight Calculator

Calculate the molecular weight of DNA sequences for laboratory applications

Input Parameters

Molecular Weight

8377.54 Da

8.378 kDa

Detailed Results

Length13 bp
Single-strand MW4208.77 Da
Double-strand MW8377.54 Da
GC Content53.8%
Mass for 1 nmol8.378 µg
Mass for 1 pmol8.378 ng

Base Composition

3

Adenine

3

Thymine

4

Guanine

3

Cytosine

About DNA Molecular Weight Calculation

DNA molecular weight is calculated from the sum of nucleotide molecular weights:

  • dAMP: 331.21 Da
  • dTMP: 322.21 Da
  • dGMP: 347.21 Da
  • dCMP: 307.21 Da

Quick estimation: ~330 Da per nucleotide for ssDNA, ~660 Da per base pair for dsDNA.