4.5 Rounded to the Nearest Whole Number

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What is 4.5 rounded to the nearest whole number?

Answer

4.5 rounded to the nearest whole number is
5

Nearest whole number — no decimal places. The tenths digit decides: 5⁠–⁠9 round up, 0⁠–⁠4 keep; the decimals are dropped.

Exactly halfway between 4 and 5 — equally close to both. The halfway rule rounds away from zero, as in school and Excel ROUND: 5. Round half to even (banker's rounding) gives 4.

4.5

4 ones place 5 The tenths digit decides

4.5
4 5halfway → away from zero

midpoint 4.5

5 with only zeros after it → halfway, away from zero: 5

4.5 rounded to every place
PlaceRounded
to the nearest thousandth4.500
to the nearest hundredth4.50
to the nearest tenth4.5
to the nearest whole number5
to the nearest ten0

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Recalculate with different values ↑

Numbers rounded to the nearest whole number

NumberRounded
2.53
2.783
3.0993
3.183
3.23
3.33
3.43
3.453
3.483
3.54
3.64
3.754
3.894
4.274
4.44
4.55
4.515
4.65
5.25
5.235
5.45
5.56
5.66
5.616
5.76
5.796
5.86
66
6.256
6.386

FAQ

What is 4.5 rounded to the nearest whole number?

4.5 rounded to the nearest whole number is 5

Is 4.5 closer to 4 or 5?

Equally close — 0.5 from each. The halfway rule rounds away from zero, to 5; round half to even (banker's rounding) gives 4.

Does rounding to the nearest whole number keep any decimals?

No: the answer is a whole number, the fraction is dropped after the tenths digit decides — 4.5 → 5.

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