Example

Rounding 15.2175 to the Nearest Thousandth

To round 15.217515.2175 to the nearest thousandth, apply the four-step decimal rounding procedure:

  1. Locate the thousandths digit: In 15.217515.2175, the digit in the thousandths place is 77.
  2. Look at the next digit: The digit immediately to the right of 77 is 55.
  3. Compare with 55: Because 5โ‰ฅ55 \geq 5, add 11 to the thousandths digit, changing 77 to 88.
  4. Remove trailing digits: Delete the 55 (all digits to the right of the thousandths place).

The rounded result is 15.21815.218.

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Updated 2026-05-02

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