Round to whole number (e.g. 3.141 ≈ 3) – integer online calculator

Enter the number:

Result of rounding to whole number (integer):

0.00

Rules for rounding to whole number (integer):

Mathematical rounding of a number to an integer.

Integer (whole number):

  • does not change – if the first digit after the dot is less than 5. (0; 1; 2; 3; 4);
  • increases by 1 – if the first digit after the dot is greater than or equal to 5. (5; 6; 7; 8; 9).

4673.45785 ≈ 4673

3 is the first digit before the dot;

4 is the first digit after the dot;

3 is the rounded digit of the number.

Examples

Round the number 1.2 to a whole number.

1.2 ≈ 1. The first digit after the dot 2 is less than 5.


Round the number 1.5 to whole number.

1.5 ≈ 2. The first digit after the dot is 5.


Round the number 1.8 to whole number.

1.8 ≈ 2. The first digit after the dot 8 is greater than 5.