Log Calculator
log₁₀ • ln • log₂ • Custom base • Antilog • Log identities
Standard logarithms — enter x
Logarithm with any base: logₙ(x)
Antilogarithm: find x when log(x) = y
Key logarithm identities (reference)
log₁₀ • ln • log₂ • Custom base • Antilog • Log identities