How this calculation works
Convert a log odds value from a logistic model back to probability.
THE FORMULA
p=1/(1+exp(−log odds))A worked example
Log odds ln(3) correspond to odds 3 and probability 3/4.
Good to know
Use natural logarithms.
Reference: OpenStax Introductory Statistics (opens in a new tab) ↗
Read the result
Convert a log odds value from a logistic model back to probability.
The primary result is labeled “Probability”. Keep the input definitions in view when comparing this result with another method.
Try a related calculation
Use natural logarithms.
For a related exercise, try the statistics calculator.
A few questions, answered
How can I check the default inputs by hand?
Log odds ln(3) correspond to odds 3 and probability 3/4.
Which rule does this calculator apply?
p=1/(1+exp(−log odds))