12.15 Rounded to the Nearest Tenth

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What is 12.15 rounded to the nearest tenth?

Answer

12.15 rounded to the nearest tenth is
12.2

Nearest tenth — 1 decimal place. The hundredths digit decides: 5⁠–⁠9 round up, 0⁠–⁠4 keep.

Exactly halfway between 12.1 and 12.2 — equally close to both. The halfway rule rounds away from zero, as in school and Excel ROUND: 12.2. Round half to even (banker's rounding) gives 12.2.

12.15

1 tenths place 5 The hundredths digit decides

12.15
12.1 12.2halfway → away from zero

midpoint 12.15

5 with only zeros after it → halfway, away from zero: 12.2

12.15 rounded to every place
PlaceRounded
to the nearest thousandth12.150
to the nearest hundredth12.15
to the nearest tenth12.2
to the nearest whole number12
to the nearest ten10
to the nearest hundred0

See Also

Recalculate with different values ↑

Numbers rounded to the nearest tenth

NumberRounded
11.2511.3
11.311.3
11.411.4
11.4311.4
11.4511.5
11.511.5
11.611.6
11.62511.6
11.6611.7
11.811.8
1212.0
12.03412.0
12.0412.0
12.06112.1
12.12512.1
12.1512.2
12.212.2
12.2412.2
12.312.3
12.3412.3
12.3912.4
12.412.4
12.439812.4
12.512.5
12.5612.6
12.5712.6
12.582912.6
12.612.6
12.60312.6
12.64212.6

FAQ

What is 12.15 rounded to the nearest tenth?

12.15 rounded to the nearest tenth is 12.2

Is 12.15 closer to 12.1 or 12.2?

Equally close — 0.05 from each. The halfway rule rounds away from zero, to 12.2; round half to even (banker's rounding) gives 12.2.

How many decimal places does rounding to the nearest tenth keep?

One: the answer always has exactly 1 digit after the decimal point, trailing zeros included — 12.15 → 12.2.

See Also