FREE PRIVATE BROWSER TOOL

Significant figures calculator

Apply the conventional precision rule for a selected arithmetic operation.

Applied rule

Multiplication/division uses the fewest significant figures; addition/subtraction uses the fewest decimal places.

Boundary

Course conventions and uncertainty-based reporting can require a different final presentation.

Result

Enter your own values or load the documented example, then run the local check.

This tool keeps input only in this page's component state. It does not upload, persist, log, or add your input or result to a URL. Anonymous analytics records only the fixed tool action and pathname.

Method source

Chemistry LibreTexts: Significant figures. The source supports the underlying convention or review method; it does not endorse LabCrux.