# Significant Figures Rounding Calculator

> Round a number to a selected number of significant figures.

Page: https://askcalculators.com/calculator/significant-figures-rounding-calculator/
Definition: https://askcalculators.com/calculator/significant-figures-rounding-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/significant-figures-rounding-calculator/schema.json
Version: 1.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/significant-figures-rounding-calculator/?value=12345.6789&significantFigures=4

## Inputs
- value: Number; type=number; required; default=12345.6789
- significantFigures: Significant figures; type=number; required; default=4; min=1; max=15

## Outputs
- rounded: Rounded value; format=text; primary
- numericRounded: Numeric rounded value; format=number
- scientificNotation: Scientific notation; format=text
- roundingPlace: Rounding place value; format=text

## Formula
rounded = round(value to n significant decimal digits)

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.