Log Base 2 of 3

Logarithm Calculator
Log base
x

What is log₂ 3?

Answer

log2 3 ≈
1.5850

log2 is the log base 2.

≈ — the logarithm is irrational; the value is rounded to 4 decimal places.

log2 3 is the power you raise 2 to, to get 3: 2y = 3.

2¹ = 2 < 3 < 4 = 2², so 1 < log2 3 < 2

log2 3 = ln 3 / ln 2 ≈ 1.098612 / 0.693147 ≈ 1.5850

Oxy1

Answer point ≈ (3, 1.5850).

The curve y = log2 x passes through (1, 0) and (2, 1) and rises: for x > 1 the log is positive, for 0 < x < 1 negative.

Log of 3 in different bases
BaseNotationValue
eln 3≈ 1.0986
10log 3≈ 0.4771
2log₂ 3≈ 1.5850

See Also

Log base 2 of nearby numbers

FAQ

What is log₂ 3?

log₂ 3 ≈ 1.5850

How to calculate log₂ 3 on a calculator?

Divide the natural logs: log₂ 3 = ln 3 / ln 2 ≈ 1.098612 / 0.693147 ≈ 1.5850.

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.