Rounding Calculator
Enter a number and the number of decimal places to round it to (standard round-half-up rounding).
Rounding Calculator
Round a number to a chosen number of decimal places using standard round-half-up rounding.
This calculator provides an estimate for general informational purposes only. It is not a substitute for professional financial, mechanical or engineering advice.
Rounding simplifies a number to fewer decimal places using the standard round-half-up convention, useful for currency, measurements and reporting.
Example
- With the default values shown above, this calculator returns: Rounded Value ≈ 3.140000.
Frequently Asked Questions
What rounding rule is used?
Round-half-up: a digit of exactly 5 rounds up (e.g. 2.345 to 2 decimal places rounds to 2.35), which is the most common convention taught in schools.
Can I round to whole numbers?
Yes, enter 0 for decimal places to round to the nearest whole number.