Logarithm Calculator
log, ln and any baseRuns locally · nothing uploaded
- log(10)(1000)3
- Natural log ln(x)6.907755278982
- Common log log₁₀(x)3
- Binary log log₂(x)9.965784284662
Check: 103 = 1,000
Also works as:ln calculatorlog base 2natural logantilog calculator
How to use
- 1Enter the base (you can type e).
- 2Enter the number.
- 3Read the logarithm and the check.
FAQ
What is the change of base formula?
logₐ(x) = ln(x) ÷ ln(a), so any log can be computed from natural logs.
What is the difference between log and ln?
log usually means base 10; ln is base e (≈ 2.71828).
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