Calculate logarithm
Compute log base b of x.
Also known as: calculate logarithm calculator, log calculator, calculate logarithm, powers & logs math, powers & logs calculate logarithm
Inputs
Results update when you click Calculate.
log₍10.0000₎(1,000.0000)
3.000000
10.0000^3.000000 ≈ 1,000.0000
- Natural log6.907755
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What this result means
Compute log base b of x. log_b(x) = ln(x) / ln(b).
Assumptions
- Rule dependency: Universal formula.
How is it calculated?
log_b(x) = ln(x) / ln(b).
Example
log₁₀(1000) = 3.
Frequently asked questions
Base 10?+
Set base to 10 for common logarithms.