Calculator

Odds Converter

Type odds in any format below; the others update instantly. Useful for comparing prices across sportsbooks that may display odds differently.

American Decimal Fractional Implied Probability

Formula Reference

American → Decimal: If positive: 1 + (american / 100). If negative: 1 + (100 / |american|).
Decimal → Implied %: (1 / decimal) × 100.
Fractional → Decimal: (numerator / denominator) + 1.
Implied % → Decimal: 100 / implied%.