Odds Converter & Bet Calculator
Convert between fractional and decimal odds, and calculate your potential profit and returns.
Enter odds and a stake to calculate your returns
How Odds Conversion Works
Fractional to Decimal: Divide the numerator by the denominator, then add 1. For example, 5/1 = (5 ÷ 1) + 1 = 6.00 decimal.
Decimal to Fractional: Subtract 1 from the decimal odds. For example, 3.50 − 1 = 2.5, which is 5/2 in fractional odds.
Calculating Returns: Multiply your stake by the decimal odds to get your total return. Subtract your stake to find your profit.
Common Odds Conversions
Frequently Asked Questions
How do I convert fractional odds to decimal?
Divide the numerator by the denominator and add 1. For example, 5/1 becomes (5 ÷ 1) + 1 = 6.0 in decimal odds.
How do I convert decimal odds to fractional?
Subtract 1 from the decimal number. The result is the fractional equivalent. For example, 3.0 decimal becomes 2/1.
How are bet returns calculated?
Your total return is your stake multiplied by the decimal odds. Your profit is the total return minus your original stake. For example, a £10 bet at 5/1 (6.0 decimal) returns £60 total, giving £50 profit.