How to use this tool
- Enter every input in the labeled units; use measured or independently specified properties.
- Check the stated model assumptions before calculating.
- Interpret the output as a model estimate and verify it independently for the intended application.
Try this example
{
"rho": 1000,
"mu": 0.001,
"diameter": 0.1,
"roughness": 0.0001,
"velocity": 2,
"length": 100
}Accuracy and scope
Empirical explicit turbulent-flow approximation; Darcy factor, not Fanning factor. Excludes fittings and elevation. Educational engineering estimate only; not structural or safety certification, equipment selection, or operating recommendations.
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.