Log Base 2 of 12

Logarithm Calculator
Log base
x

What is log₂ 12?

Answer

log2 12 ≈
3.5850

log2 is the log base 2.

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

log2 12 is the power you raise 2 to, to get 12: 2y = 12.

2³ = 8 < 12 < 16 = 2⁴, so 3 < log2 12 < 4

log2 12 = ln 12 / ln 2 ≈ 2.484907 / 0.693147 ≈ 3.5850

Oxy

Answer point ≈ (12, 3.5850).

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 12 in different bases
BaseNotationValue
eln 12≈ 2.4849
10log 12≈ 1.0792
2log₂ 12≈ 3.5850

See Also

Log base 2 of nearby numbers

FAQ

What is log₂ 12?

log₂ 12 ≈ 3.5850

How to calculate log₂ 12 on a calculator?

Divide the natural logs: log₂ 12 = ln 12 / ln 2 ≈ 2.484907 / 0.693147 ≈ 3.5850.

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.