Odds Converter
Convert decimal, fractional, American and implied probability values.
How to use this calculator
How to use the Odds Converter
Use this odds converter to switch between decimal, fractional, American odds and implied probability for cleaner betting comparisons.
- Choose the input type you currently have.
- Enter the value in that format, for example 6/4 or +150.
- Read converted decimal, fractional and American outputs.
- Use implied probability to compare value between bookmakers.
- Repeat quickly to validate prices before placing bets.
This betting odds converter helps matched bettors and sports bettors convert odds formats accurately and compare implied probability across markets.
Decimal 2.500
Fractional 3/2
American +150
Implied probability 40.00%