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Log Calculator
Calculate logarithms: log base 10, natural log (ln), log base 2, and any custom base. Find antilog and inverse log values.
6 values
Mean (Average)
24
Median
18.5
Sum
144
Count
6
Min
8
Max
47
How to Use the Log Calculator
Enter your values above for an instant result. This tool uses verified formulas and is optimised for users in USA, Canada, UK, Australia. All calculations happen in your browser — your data is never sent to our servers.
Frequently Asked Questions
What is log base 10?
Log base 10 (common log) asks: 10 to what power equals x? log₁₀(1000) = 3 because 10³ = 1000.