Error & uncertainty calculator
Analyze repeated measurements.
What it’s for
Use this tool to summarize repeated measurements and discuss:
- mean value
- spread/variation
- uncertainty (where applicable)
Steps
- Enter your repeated readings.
- Review the calculated outputs.
- (Optional) Enter an accepted/true value if the UI supports it to compare accuracy vs precision.
Common mistakes
- mixing units inside one dataset
- entering values with commas/formatting not supported by the input