Significant Figures Calculator
Count the significant figures in a number and round it to a chosen number of significant figures.
Significant figures
4
- Rounded to 2
- 0.0046
- In scientific notation
- 4.6e-3
Show the work
Keep the digits that count
leading zeros don't count
4 5 6 0
Count them
sig figs = digits that count
4
How it works
Non-zero digits count; zeros between them count; trailing zeros count only after a decimal point
Questions
- How does the significant figures calculator work?
- Non-zero digits count; zeros between them count; trailing zeros count only after a decimal point.
- What do I need to enter?
- Number, Round to. Optional fields can be left blank.
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