Odds Betting Tool
Enter a price in any format to read every equivalent at once.
How to Use This Calculator
- Choose the odds format you would like to enter (Decimal, Fractional, or American)
- Type the odds value into the input field
- Review the equivalent price in all three formats alongside the implied probability
Formula
Decimal to Fractional: (Decimal - 1) expressed as a simplified fraction
Decimal to American:
- If Decimal >= 2.00: American = (Decimal - 1) × 100
- If Decimal < 2.00: American = -100 / (Decimal - 1)
Implied Probability: 1 / Decimal Odds × 100%
Frequently Asked Questions
How does this tool differ from the Betting Odds Calculator?
Both carry out the identical conversion. This one is a pared-back version built purely for fast odds conversion, without the extra features.
Which odds format sees the widest use?
Decimal odds are the norm across Europe and Australia, fractional odds remain the tradition in the UK and Ireland, and American odds are used chiefly throughout the United States.
How do I turn American odds into decimal?
For positive American odds, divide by 100 and add 1. For negative American odds, divide 100 by the absolute value and add 1. As an example, +150 becomes 2.50 and -200 becomes 1.50.