Significant Figures Calculator
Enter an expression and choose the number of significant figures to round to.
Supports + − × ÷ ^, parentheses, and functions: log, ln. Does not apply the even rule.
110
3 significant figures
Results
Evaluated value
1.9276458134077032
Rounded to 3 sig figs
1.93
Addition/subtraction rule
n/a
Significant figures
- 1.52 sig figs
- 51 sig fig
- 11 sig fig
Rules
- Any non-zero digit is significant.
- Zeros between non-zero digits are significant (e.g. 205, 3.604).
- If there is a decimal point, trailing zeros are significant (e.g. 90.7500).
- Leading zeros are not significant (e.g. 0.0025 has 2 sig figs).
- Addition/subtraction round by least number of decimals.
- Does not apply the even rule.