DNA/RNA Molecular Weight
Calculate the molecular weight of DNA or RNA from nucleotide count and type (dsDNA, ssDNA, ssRNA).
Inputs
Results
Molecular Weight
660,000 Da
Molecular Weight
660 kDa
Avg MW per Nucleotide660 Da
Extinction Coefficient6,600,000 M⁻¹cm⁻¹
µg per OD₂₆₀50 µg/mL
Nucleic Acid TypedsDNA
How to Use This Calculator
- Enter Nucleotide Count (bp or nt), Nucleic Acid Type, and dsDNA (660 Da/bp).
- Set ssDNA (330 Da/nt) and ssRNA (340 Da/nt).
- Review Molecular Weight (Da) and Molecular Weight (kDa).
- Use Avg MW per Nucleotide (Da) and Extinction Coefficient (M⁻¹cm⁻¹) to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
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Formula
MW = nucleotide count × average Da per nucleotideRelated Calculators
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