Log of 100 (Base 10)

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Log base
x

What is log 100?

Answer

log 100 =
2

log here is the common log, base 10.

log 100 is the power you raise 10 to, to get 100: 10y = 100.

10² = 100 ✓

Oxy

Answer point (100, 2).

The curve y = log x passes through (1, 0) and (10, 1) and rises: for x > 1 the log is positive, for 0 < x < 1 negative.

Log of 100 in different bases
BaseNotationValue
eln 100≈ 4.6052
10log 1002
2log₂ 100≈ 6.6439

See Also

FAQ

What is log 100?

log 100 = 2

How to find log 100 without a calculator?

Write 100 as a power of 10: 100 = 10². The exponent is the answer: log 100 = 2.

What is e?

e ≈ 2.71828 is the base of the natural logarithm: ln x is the logarithm of x to base e, so ln e = 1. It is an irrational number, like π.