15.66 Rounded to the Nearest Tenth

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What is 15.66 rounded to the nearest tenth?

Answer

15.66 rounded to the nearest tenth is
15.7

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

15.66

6 tenths place 6 The hundredths digit decides

15.66
15.6 15.65midpoint 15.7closer

6 ≥ 5 → round up: 15.7

15.66 rounded to every place
PlaceRounded
to the nearest thousandth15.660
to the nearest hundredth15.66
to the nearest tenth15.7
to the nearest whole number16
to the nearest ten20
to the nearest hundred0

See Also

Recalculate with different values ↑

Numbers rounded to the nearest tenth

NumberRounded
14.614.6
14.814.8
14.8614.9
1515.0
15.1515.2
15.215.2
15.2115.2
15.23915.2
15.415.4
15.515.5
15.50815.5
15.5515.6
15.615.6
15.62515.6
15.6515.7
15.6615.7
15.815.8
1616.0
16.03116.0
16.04816.0
16.28116.3
16.32816.3
16.516.5
16.616.6
16.6616.7
16.666616.7
16.816.8
16.8816.9
16.9717.0
1717.0

FAQ

What is 15.66 rounded to the nearest tenth?

15.66 rounded to the nearest tenth is 15.7

Is 15.66 closer to 15.6 or 15.7?

15.66 is 0.06 from 15.6 and 0.04 from 15.7, so it is closer to 15.7 — that is 15.66 rounded to the nearest tenth.

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 — 15.66 → 15.7.

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