Betting Odds Converter + Implied Probability — American, Decimal
Convert betting odds between American, Decimal, and Fractional formats. See the implied probability, payout, and profit for any stake.
✓ Formula verified: January 2026
Odds Converter
Results below
Enter Values
American Odds
+200
Implied Probability
33.33%
Total Payout
▲ $300.00
Profit
▲ $200.00
Stake Returned
$100.00
Implied Margin (overround per side)
33.33%
What if your american odds changes? 180 → +180 · 200 → +200 · 220 → +220
Scenario Comparison
Conservative (5%)
$16,470.09
$6,470.09 interest
Your scenario (7%)
$20,096.61
$10,096.61 interest
Aggressive (10%)
$27,070.41
$17,070.41 interest
High-risk (14%)
$40,224.71
$30,224.71 interest
Best return
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Probability & Payout View
Implied Probability
33.3%
66.7%
Hit 33.3%Miss 66.7%
American
+200
Decimal
3.000
Fractional
2/1
Payout
Total Return: $300.00Profit: $200.00
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