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Calculators » Math » Rounding Numbers

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can perform numeric rounding to 1-decimal place (nearest 10th), 2-decimal places (nearest 100th), 3-decimal places (nearest 1000th), nearest one, nearest 10, nearest 100, nearest 1000, nearest ten thousand, nearest hundred thousand and nearest million of a given number.

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Click here to see the steps involved in rounding integers or decimal numbers.

To round to a nearest multiple of any other numbers e.g., 5, 15, 25, 50, 500 and so on, use *Round up/down* calculator.

A) To round to nearest tenth, hundredth or thousandth:

- if the rounding digit is 0, 1, 2, 3, or 4, simply drop all digits to the right of it.
- if the rounding digit is 5, 6, 7, 8, or 9, add one to the rounding digit and drop all digits to the right of it.

**Example 1.** What is 80.945 rounded to the nearest tenth?

**Ans.** 80.9

**Example 2.** What is 18.386 rounded to the nearest hundredth?

**Ans.** 18.39

B) To round to nearest one, ten, hundred, thousand and so on:

- if the rounding digit is 0, 1, 2, 3, or 4, change all digits to the right of it to zeroes.
- if the rounding digit is 5, 6, 7, 8, or 9, add one to the rounding digit and change all digits to the right of it to zeroes.

**Example 3.** What is 871 rounded to the nearest ten?

**Ans.** 870

**Example 4.** What is 121,580 rounded to the nearest thousand?

**Ans.** 122,000

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