Math & Statistics
Significant Figures Calculator
Round a number to a chosen number of significant figures.
Your inputs
Change any value to update the result instantly.
Rounded value
0.0123
Order of magnitude
-2
Formula and working
Round to n significant digits using scientific notation
- 1
Substitute your values
Value = 0.012; Significant figures = 3
- 2
Apply the formula
Round to n significant digits using scientific notation = 0.01
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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