Decimal Places
Free Decimal Places calculator with clear step-by-step results.
About Decimal Places
Rounds or truncates a number to a given number of decimal places.
Formula
Formula
Rounded = round(value × 10^p) ÷ 10^p
Worked example
With the default values below, Decimal Places returns Rounded of 3.140000. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Number
- 3.14159
- Decimal placesaccepts 0–12
- 2
Results
- Rounded
- 3.140000
- Truncated
- 3.140000
- Places
- 2.00
Step by step
- 1Values used
- 2Formula
- 3Rounded= 3.140000
- 4Truncated= 3.140000
- 5Places= 2
Assumptions and limits
- The result is derived only from the 2 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 6 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How does this calculator work?
Rounds or truncates a number to a given number of decimal places.
Why does this matter?
Choose rounding or truncation by context.