DNA Molecular Weight Calculator
Calculate the molecular weight of single-stranded or double-stranded DNA sequences. Get GC content, melting temperature, and more.
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DNA Molecular Weight
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Sequence Analysis
Nucleotide composition visualization
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Calculation Breakdown
Step-by-step molecular weight calculation
Molecular Weight
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g/mol
Sequence Length
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nt
GC Content
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%
Melting Temp (Tm)
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°C
A Count
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Adenine
T Count
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Thymine
G Count
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Guanine
C Count
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Cytosine
DNA Molecular Weight Formulas
Key molecular biology concepts
DNA Tips
Understanding DNA molecular weight
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Scientific Disclaimer: This DNA molecular weight calculator uses standard nucleotide monophosphate molecular weights. Results are for educational purposes. Actual weights may vary with modifications.