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DNA Copy Number Calculator

Biology
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This calculator estimates the number of DNA or RNA copies in a solution or per PCR cycle using the concentration and volume of the sample.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Concentration, Volume, Molecular Weight of DNA/RNA, and Number of PCR Cycles in the units shown.

Step 2

Read Total Number of DNA/RNA Copies and Copies After PCR Cycles in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Standard PCR

Concentration: 50 ng/µL; Volume: 1 µL; Molecular Weight of DNA/RNA: 650 daltons; Number of PCR Cycles: 30

Total Number of DNA/RNA Copies: 46,323,076,920,000 copies; Copies After PCR Cycles: 49,739,025,110,000,000,000,000 copies

High Concentration

Concentration: 200 ng/µL; Volume: 1 µL; Molecular Weight of DNA/RNA: 650 daltons; Number of PCR Cycles: 30

Total Number of DNA/RNA Copies: 185,292,307,700,000 copies; Copies After PCR Cycles: 198,956,100,400,000,000,000,000 copies

Low Volume

Concentration: 50 ng/µL; Volume: 0.5 µL; Molecular Weight of DNA/RNA: 650 daltons; Number of PCR Cycles: 30

Total Number of DNA/RNA Copies: 23,161,538,460,000 copies; Copies After PCR Cycles: 24,869,512,550,000,000,000,000 copies

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