Logarithmic Expression Calculator Expression Type Single: log₍b₎(x) Natural: ln(x) Common: log₁₀(x) Power: log₍b₎(x^n) Change of Base: log₍a₎(x) to base b Base (b) Value (x) Value (x) Value (x) Base (b) Value (x) Exponent (n) Original Base (a) New Base (b) Value (x) Evaluate Reset Expression = ? Loan Calculator Tax CalculatorToggle child menuExpand Rate Calculator Profit Calculator Tip Calculators vehicle Calculator Basic Calculator General CalculatorToggle child menuExpand Weight Calculator Length Calculator