Log Base 4 of 2

Logarithm Calculator
Log base
x

What is log₄ 2?

Answer

log4 2 =
1/2 = 0.5

log4 is the log base 4.

log4 2 is the power you raise 4 to, to get 2: 4y = 2.

41/2 = √4 = 2 ✓

Oxy1

Answer point (2, 1/2).

The curve y = log4 x passes through (1, 0) and (4, 1) and rises: for x > 1 the log is positive, for 0 < x < 1 negative.

Log of 2 in different bases
BaseNotationValue
eln 2≈ 0.6931
10log 2≈ 0.3010
2log₂ 21
4log₄ 21/2

See Also

Log base 4 of nearby numbers

FAQ

What is log₄ 2?

log₄ 2 = 1/2 = 0.5

Why is log₄ 2 a fraction?

Both numbers are powers of 2: 4 = 2² and 2 = 2¹, so 2 = 4^(1/2) and log₄ 2 = 1/2 = 0.5.

What does log without a base mean?

At school and on a calculator, log x without a base is the common log, base 10: log 100 = 2. In Python, math.log(x) is the natural log ln x; in Excel, LN is the natural log and LOG is base 10.