Rounding Calculator

Round a number to decimal places, whole numbers, tens or hundreds.

Quick answer: Rounding Calculator: Round a number to decimal places, whole numbers, tens or hundreds. Everything runs in your browser, so nothing you enter is uploaded or stored.

Number

Round to

How to use Rounding Calculator

Enter your values in the fields.
The results update instantly as you type.
Note or copy the numbers you need.

Features

Instant results
Free, no signup
Runs in your browser, nothing is uploaded
Works on phone and desktop

Formula

Multiply by 10^p, round, divide back.

Worked example

1234.5678 to 2 decimal places is 1234.57.

Frequently asked questions

How do I round to the nearest ten?

Choose Tens. 47 becomes 50.

How are halves rounded?

Half rounds up.

Is the Rounding Calculator free?

Yes. It is free, needs no signup and works on any device.