Independent Transfer Uncertainty

How to use this tool

1. Combine independent absolute uncertainties for repeated equal-volume transfers.
2. Set volume per transfer, random standard uncertainty per transfer, transfer count, systematic bias per transfer in the indicated units.
3. Calculate and compare nominal total volume, combined random standard uncertainty, accumulated systematic bias.

Try this example

{
  "volume": 100,
  "sigma": 1,
  "n": 25,
  "bias": 0.2
}

Accuracy and scope

Independent random errors and fully correlated constant bias model; not an instrument calibration.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.