Logarithm Calculator
Find the exponent to which a base must be raised to produce a value.
01 / inputs
value
base
02 / result
LOGARITHM
3
- log base 10
- 3
- Input value
- 1000
Calculation trace
- ln(1,000) ÷ ln(10) = 33Change of base
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SOURCES
- National Institute of Standards and Technology (NIST)NIST Digital Library of Mathematical Functions (DLMF) ↗
Logarithms and change of base
Accessed 2026-08-20