DNA: GC content & complement
Enter your numbers — the results update instantly.
Length (bp)12
GC content50 %
Reverse complement—
mRNA—
Melting temp. (Wallace)36 °C
Worked example
Given: DNA sequence = ATGCGCATTAGC
Result: Length (bp) = 12; GC content = 50 %; Melting temp. (Wallace) = 36 °C
How it is calculated
1. Enter the values you know. 2. The calculator converts them to base units and applies the formula. 3. The result is shown in the unit you choose.
Frequently asked questions
How do I calculate it?
Given: DNA sequence = ATGCGCATTAGC. Result: Length (bp) = 12; GC content = 50 %; Melting temp. (Wallace) = 36 °C.
Is the calculator free and private?
Yes. It is free, needs no sign-up and runs in your browser — the numbers you type stay on your device.