Measurement Uncertainty Calculator

Calculate combined and expanded measurement uncertainty from multiple uncertainty sources using GUM method.

Standard uncertainty from instrument resolution, repeatability, etc.
mm
Standard uncertainty from calibration.
mm
Standard uncertainty from temperature, environment, etc.
mm
Standard uncertainty from operator, technique. 0 if N/A.
mm
95% confidence: k=2. 99%: k=2.576.

Results

Combined Std Uncertainty-mm
Expanded Uncertainty-mm
Report Format-
References: JCGM 100:2008 (GUM); ISO/IEC 17025