DNA Sequence Length Calculator

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DNA Sequence Length

Calculate the length of DNA sequences, count nucleotides, GC content, and molecular weight.

Input Method *

Significant Figures

DNA Sequence *

Only A, T, G, C characters allowed (case-insensitive)

Show Details

Nucleotide Counting

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Sequence Analysis

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Sequence Length

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GC Content

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Molecular Weight

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Melting Temperature

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°C

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Nucleotide Composition

Detailed breakdown of nucleotide counts

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Analysis Details

Complete sequence information

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Sequence Analysis Formulas

Key formulas used in DNA analysis

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DNA Sequence Tips

Understanding DNA sequence analysis

🧬 Biological Disclaimer: This calculator provides estimates for educational purposes. Actual molecular weights and melting temperatures may vary based on buffer conditions.