Enter the number:
Result of rounding to thousandths:
≈0.00
Rules for rounding to thousandths
Mathematical rounding of a number to the nearest thousandths.
Third digit after the dot (thousandths of the number):
- does not change – if the fourth digit after the dot is less than 5. (0; 1; 2; 3; 4);
- increases by 1 – if the fourth digit after the dot is greater than or equal to 5. (5; 6; 7; 8; 9).
4673.45785 ≈ 4673.459
7 is the thousandths of the number, the third digit after the dot;
8 is the fourth digit after the dot;
9 is the rounded thousandths of the dot.
Examples
Round the number 1.2222 to thousandths.
1.2222 ≈ 1.222. The fourth digit after the dot 2 is less than 5.
Round the number 1.2225 to thousandths.
1.2225 ≈ 1.223. The fourth digit after the dot is 5.
Round the number 1.2228 to thousandths.
1.2228 ≈ 1.223. The fourth digit after the dot 8 is greater than 5.