Two-Input Measurement Uncertainty
Enter standard uncertainties, not tolerance limits or percentages. Use consistent units. The coverage factor scales uncertainty; it does not establish a confidence level by itself.
Worked guide: standard uncertainty, correlation and measured power
Inputs
Example values are filled in. Review them for your calculation.
Results
Your results will appear here after calculation, with units and steps to help you review them.
References
- NIST TN 1297 Appendix A: Law of Propagation of UncertaintySource accessed 2026-09-08
- NIST TN 1297 Section 6: Expanded UncertaintySource accessed 2026-09-08