123.456 Rounded to the Nearest Tenth

Rounding Calculator

What is 123.456 rounded to the nearest tenth?

Answer

123.456 rounded to the nearest tenth is

123.5

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

123.456

4 tenths place 5 The hundredths digit decides

123.456

123.4 123.45midpoint 123.5closer

5 ≥ 5 → round up: 123.5

123.456 rounded to every place
Place	Rounded
to the nearest thousandth	123.456
to the nearest hundredth	123.46
to the nearest tenth	123.5
to the nearest whole number	123
to the nearest ten	120
to the nearest hundred	100
to the nearest thousand	0

See Also

Square Root Calculator - Calculate the square root of any number
Decimal to Fraction Converter - Convert Decimal to Fraction
Fraction to Decimal Converter - Convert Fraction to Decimal

Recalculate with different values ↑

Numbers rounded to the nearest tenth

Number	Rounded
88.3	88.3
96	96.0
99	99.0
100	100.0
100.15	100.2
100.48	100.5
102.65	102.7
104	104.0
105	105.0
112	112.0
112.324	112.3
113	113.0
113.04	113.0
113.1	113.1
120	120.0
123.456	123.5
124	124.0
124.6	124.6
125	125.0
126	126.0
128.57	128.6
135	135.0
136	136.0
144	144.0
145	145.0
150.72	150.7
153.86	153.9
154	154.0
164	164.0
166	166.0

FAQ

What is 123.456 rounded to the nearest tenth?

123.456 rounded to the nearest tenth is 123.5

Is 123.456 closer to 123.4 or 123.5?

123.456 is 0.056 from 123.4 and 0.044 from 123.5, so it is closer to 123.5 — that is 123.456 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 — 123.456 → 123.5.