Significant Figures Identifier
Identify the significant figures in any number. See the count, which digits are significant, scientific notation, and the number rounded to various significant figures.
Number of Significant Figures
4.00
The number "0.004560" has 4 significant figures
Significant Digits
4, 5, 6, 0
The digits that are considered significant
Scientific Notation
4.56 × 10^-3
The number expressed in scientific notation
Rounded to 1 Sig Fig
0.005
0.004560 rounded to 1 significant figure
Rounded to 2 Sig Figs
0.0046
0.004560 rounded to 2 significant figures
Rounded to 3 Sig Figs
0.00456
0.004560 rounded to 3 significant figures
Rounded to 4 Sig Figs
0.00456
0.004560 rounded to 4 significant figures