Odds converter

Convert betting odds between decimal, fractional, American, and implied probability.

Decimal > 1.00. Fractional like 3/2. American ≥ +100 or ≤ −100. Implied probability as a percentage 0–100. Conversions are exact math — no bookmaker margin is added or removed.

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How to use

  1. Enter odds in any format (2.5, 3/2, +150, -200, 40%).
  2. Read every format at once.
  3. Copy the value you need.

What it supports

Pure math conversion — the format is auto-detected and shown. No bookmaker margin (overround) is added or removed.

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