Log of 10 (Base 10)

Logarithm Calculator

What is log 10?

Answer

log 10 =

1

log here is the common log, base 10.

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

10¹ = 10 ✓

Answer point (10, 1).

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 10 in different bases
Base	Notation	Value
e	ln 10	≈ 2.3026
10	log 10	1
2	log₂ 10	≈ 3.3219

See Also

Square Root Calculator - Calculate the square root of any number
Simplify Square Root Calculator - Write any square root in simplest radical form, step by step
Scientific Calculator with Memory & History - Free Engineering Calculator Online with Memory Function, Operation History, Logarithms & Trigonometry. Similar to ti-83, ti-84, ti-89

Recalculate with different values ↑

Common log of nearby numbers

x	log x
7	≈ 0.8451
8	≈ 0.9031
9	≈ 0.9542
10	1
15	≈ 1.1761
16	≈ 1.2041
25	≈ 1.3979

FAQ

What is log 10?

log 10 = 1

How to find log 10 without a calculator?

Write 10 as a power of 10: 10 = 10¹. The exponent is the answer: log 10 = 1.

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.