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Odds to Probability Calculator
Quick answer
If odds for is 3 and odds against is 2, the odds to probability is 60.
Enter your values
Odds to Probability
60
The likelihood of this outcome, worked out from the numbers you entered.
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See how the result changes
Each table re-runs this calculator with one value changed and everything else left as it is.
Odds to Probability by odds for
If odds for goes from 3 to 4.5, odds to probability changes from 60 to 69.2308 (+15%).
| Odds for | Odds to Probability |
|---|---|
| 1.5 | 42.8571 |
| 2.25 | 52.9412 |
| 3start | 60 |
| 4.5 | 69.2308 |
| 6 | 75 |
Odds to Probability by odds against
If odds against goes from 2 to 3, odds to probability changes from 60 to 50 (−17%).
| Odds against | Odds to Probability |
|---|---|
| 1 | 75 |
| 1.5 | 66.6667 |
| 2start | 60 |
| 3 | 50 |
| 4 | 42.8571 |
STATISTICS & PROBABILITY GUIDE
A quick guide to Odds to Probability
Use it to get an accurate odds to probability in seconds — free, with no sign-up.
Instant results
See your odds to probability the moment you enter your numbers.
Free, no sign-up
Every calculator here is free to use, with no account required.
Accurate & transparent
The same standard formula runs on our server for every calculation.
How to Use the Odds to Probability Calculator
1
Enter Odds for
Provide your odds for.
2
Enter Odds against
Provide your odds against.
3
View Your Results
Get your odds to probability instantly, calculated on our server.
What is Odds to Probability?
This statistics & probability tool works out your odds to probability instantly, so you don't have to do the math by hand.
“One quick calculation, so you always know your odds to probability before you decide.”
What Affects Your Odds to Probability
Your odds to probability depends on the values below.
Odds for
Changing your odds for changes your odds to probability.
Odds against
Changing your odds against changes your odds to probability.
Example Result
Here's what you can expect from an odds to probability calculation:
- Odds for
- 3
- Odds against
- 2
- Odds to Probability
- 60
Frequently Asked Questions
- How does odds for affect odds to probability?
- If odds for goes from 3 to 4.5, odds to probability changes from 60 to 69.2308 (+15%).
- How does odds against affect odds to probability?
- If odds against goes from 2 to 3, odds to probability changes from 60 to 50 (−17%).
- How to calculate odds to probability?
- Fill in odds for and odds against in the Odds to Probability Calculator above and your odds to probability is calculated instantly. Change any value to see how the result responds.
- What does an example odds to probability calculation look like?
- If odds for is 3 and odds against is 2, the odds to probability is 60.
- Is this calculator free to use?
- Yes — every calculator on this site is completely free, with no sign-up or account required.
- How accurate is this calculator?
- It uses the standard formula and calculates on our server for every request, so results are precise for the values you enter.
- Is my data saved anywhere?
- No. Nothing you enter is stored or sent anywhere unless you choose to share a link with your values included.
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