Information

Formulation

$$I(X) = - \log \frac{1}{p(X)}$$

Units

Base	Units	Conversion	Approximate
2	bits	1 bit = 1 bit	1 bit = 1 bit
e	nats	1 bit = $\log_e 2$	1 bit $\approx$ 0.693 nats
10	bans	1 bit = $\log_{10}2$	1 bit $\approx$ 0.301 bans