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.
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.