Rounding Calculator
Rounding Calculator lets you decimal rounding compares nearest, floor and ceiling at the chosen precision. Enter your own values or load the worked example.
- Copy or download the computed result
- Adjust number
- See the processing method and limits
Method and calculation
Decimal rounding compares nearest, floor and ceiling at the chosen precision.
Inputs and settings
Rounding Calculator accepts Number (signed value); Decimal places (minimum 0, maximum 10).
Worked example
Rounding Calculator example — Number: 12.34567; Decimal places: 2. Computed output: { "nearest": 12.35, "floor": 12.34, "ceiling": 12.35 }
Output and limitations
Rounding Calculator: Use finite inputs. Results use double-precision arithmetic.
Technical references: JavaScript numerical operations
Rounding Calculator FAQs
Rounding Calculator applies the following rule to your input: Decimal rounding compares nearest, floor and ceiling at the chosen precision. The worked example on this page uses the same processor as the result button.
Rounding Calculator has these boundaries: Use finite inputs. Results use double-precision arithmetic. Start by checking the number field against the units or format shown.
Rounding Calculator provides this sample: { "nearest": 12.35, "floor": 12.34, "ceiling": 12.35 }. Use the sample button to reproduce it, then replace the inputs with your own values.