Calculate logarithms with any base. See the formula and inverse instantly.
Logarithm Properties
Productlogb(x · y) = logb(x) + logb(y)
Quotientlogb(x / y) = logb(x) − logb(y)
Powerlogb(xn) = n · logb(x)
Change of Baselogb(x) = ln(x) / ln(b)
Identitylogb(b) = 1
Zero Explogb(1) = 0
Inverseblogb(x) = x