Statistics & Probability

Probability → Odds

Convert probability to odds (for:against).

Formula

Formula
odds = p : (1 − p)

Variables

SymbolDefinitionType & rangeUnitsRole
p probability (0–1) real number (ℝ) input

Try it yourself

Interactive calculator
Result

Worked examples

Example 1
Givenprobability p = 0.75
Result0.75 : 0.25
Example 2
Givenprobability p = 0.2
Result0.2 : 0.8