Logarithm Calculator
Calculate logarithms in any base including natural (ln), common (log10), and binary (log2).
log₍10.00₎(100)
2.000000
All Bases
| Common Log (log₁₀) | 2.000000 |
| Natural Log (ln) | 4.605170 |
| Binary Log (log₂) | 6.643856 |
Use the Logarithm Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
You might also need
Percentage Calculator
Calculate percentages three ways: what is X% of Y, X is what % of Y, and percentage change from X to Y.
Fraction Calculator
Add, subtract, multiply, and divide fractions. Results shown as fraction, mixed number, and decimal.
Standard Deviation Calculator
Calculate mean, variance, and standard deviation (population and sample) from a data set.