Industrial testing guide
Measurement Range Calculator
Calculate the range and midpoint of repeated readings.
Quality note: real acceptance criteria, test methods and sampling requirements come from applicable specifications, standards and qualified technical authority—not from generic web guidance.
Mean, range and midpoint.
How to use this tool
These browser-side tools provide measurement and quality arithmetic only. They do not establish engineering acceptance criteria or regulated test procedures.
Results depend entirely on user-entered values and the assumptions behind them.