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Kalkulator molarności dla DNA

Przelicz stężenie DNA w ng/uL i masę molową na nM.

Wprowadzenie

Molarity for DNA Calculator — Convert DNA ng/uL concentration and MW to nM. Enter Concentration (ng/µL), Molecular weight (g/mol) to get an instant, accurate result.

Wzór

Molarity (nM) = (mass concentration in ng/µL ÷ molecular weight in g/mol) × 10⁶ — converts a spectrophotometer-style mass concentration reading to molar concentration once you know (or estimate) the DNA's molecular weight.

Krok po kroku

  1. Enter the Concentration (ng/µL).
  2. Enter the Molecular weight (g/mol).
  3. Click Calculate to see your result instantly.

Przykład z życia

Example: With Concentration (ng/µL) = 50, Molecular weight (g/mol) = 650000, the Molarity for DNA Calculator gives Molarity Nm: 76.9231.

Często Zadawane Pytania

Where do I get the molecular weight to enter?
Use a known MW for a specific DNA construct, or estimate it from base pair count using ~650 g/mol per bp (the dsDNA molecular weight calculator on this site can compute that for you).
Why convert ng/µL to nM at all?
Many downstream applications (like ligations, qPCR, or molar ratio mixing) require concentration in molar terms rather than mass terms, since equal masses of DNA fragments of different sizes contain different numbers of molecules.
What inputs does the Molarity for DNA Calculator need?
You'll need to provide: Concentration (ng/µL), Molecular weight (g/mol). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Molarity for DNA Calculator?
The Molarity for DNA Calculator applies the formula exactly as calculated — Molarity (nM) = (mass concentration in ng/µL ÷ molecular weight in g/mol) × 10⁶ — converts a spectrophotometer-style mass concentration reading to molar concentration once you know (or estimate) the DNA's molecular weight. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Molarity for DNA Calculator free to use?
Yes, the Molarity for DNA Calculator is completely free, requires no signup, and runs instantly in your browser.

O Kalkulator molarności dla DNA

The Molarity for DNA Calculator uses a real, verifiable formula — Molarity (nM) = (mass concentration in ng/µL ÷ molecular weight in g/mol) × 10⁶ — converts a spectrophotometer-style mass concentration reading to molar concentration once you know (or estimate) the DNA's molecular weight. — so results are accurate every time, not an approximation.