qPCR Efficiency Calculator
Instant Calculation
Calculates qPCR assay efficiency omnidirectionally. Enter any value to solve for the others.
Reaction Parameters
Slope
The slope of the standard curve (typically between -3.1 and -3.68 for an acceptable reaction).
Amplification factor
The factor by which the amplicon multiplies each cycle (ideal value is 2.0).
qPCR efficiency
The percentage efficiency of the reaction (ideal value is 100%).
%
Instant calculation is ON.
Modifying any field maps properties flawlessly below.
Click to reset the workspace to blank fields.
Enter values to see the step-by-step mathematical extraction.
Efficiency Performance
Visual representation of efficiency. The green zone represents the optimal 90%-110% range.
Efficiency Guidelines
Standard acceptance guidelines for qPCR reactions.
| Metric | Optimal Range | Status |
|---|---|---|
| Efficiency (%) | 90.0% – 110.0% | -- |
| Slope | -3.58 to -3.10 | -- |
| Amp. Factor | 1.90 to 2.10 | -- |
