Q ratio, also known as Tobin's q, is an economics term for the ratio between the market value and replacement value of the same physical asset.
Q ratio or Q-ratio may also refer to:
- Q-ratio (poker), the relation of a poker player's stack to the tournament players' average stack
- q-ratio in selection cutting in forestry
- anabolic to androgenic ratio in pharmacology applications such as methasterone
See also
- Q value (disambiguation)
- Q factor