Rounding Calculator

Round numbers to decimal places, significant figures, or the nearest 10, 100 or 1,000 — half up, half even, up or down.

Enter values

Result

Rounded

3.14

Round numbers to decimal places, significant figures, or the nearest 10, 100 or 1,000 — half up, half even, up or down.

Also known as: round numbers, round to nearest, significant figures calculator, sig figs calculator, round decimal, bankers rounding.

Enter number, round to, method and the other fields.
The result updates instantly as you type — press Calculate (or Enter) at any time.
Review the breakdown shown under the main result.
Use Copy result or Share to save the answer or send a link with your inputs.

Round half up: look at the next digit — 5 or more rounds up

Using the values pre-filled in the calculator above:

the calculator returns:

Round half to even: values exactly halfway go to the nearest even digit (2.5 → 2, 3.5 → 4). It avoids an upward bias when rounding many numbers.