How to use Significant Figures Calculator
- Count Mode: Enter a number to see how many sig figs it has.
- Math Mode: Enter an expression (e.g., 2.5 * 3.42) to get the result rounded to the correct precision.
About Significant Figures Calculator
The Significant Figures Calculator (Sig Figs) helps students and scientists handle precision correctly.
It determines how many significant digits a number has and can perform arithmetic (Add/Sub/Mult/Div) while maintaining the correct rules of precision.