Convert American Odds to Decimal Odds

American to Decimal Odds Conversion Table
American Odds Decimal Odds Fractional Odds
+100 2.00 1/1
+120 2.20 6/5
+150 2.50 6/4
+200 3.00 2/1
+250 3.50 5/2
+300 4.00 3/1
+350 4.50 7/2
+400 5.00 4/1
+450 5.50 9/2
+500 6.00 5/1
+600 7.00 6/1
+800 9.00 8/1
-110 1.91 10/11
-120 1.83 5/6
-150 1.67 2/3
-200 1.50 1/2
-250 1.40 2/5
-300 1.33 1/3
-400 1.25 1/4
-500 1.20 1/5
Popular American odds and their decimal & fractional equivalents. Try your own odds above!

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American to Decimal Odds Conversion Explained

American odds, also called moneyline odds, are primarily used by sportsbooks in the United States. They are presented as either a positive number (e.g., +200) or a negative number (e.g., -150). A positive value shows how much profit you would make on a $100 bet, while a negative value shows how much you need to wager to win $100 in profit.

Why convert? Decimal odds, widely used in Europe, Australia, and Canada, are simpler to compare at a glance because they represent the total payout (stake + profit) per $1 bet.
Conversion Formula:
- For positive American odds: Decimal = (American / 100) + 1
- For negative American odds: Decimal = (100 / abs(American)) + 1
Example: +150 American odds becomes 2.50 in decimal (a $100 bet returns $250 total). -200 American odds becomes 1.50 decimal (you need to bet $200 to win $100, or $200 returns $300 total).

Converting makes it easy to compare betting opportunities across sportsbooks globally, ensuring you always find the best value.

Frequently Asked Questions

American odds, or moneyline odds, are shown as positive or negative numbers indicating how much you win on a $100 bet (positive) or how much you need to bet to win $100 (negative).

For positive American odds, divide by 100 and add 1. For negative odds, divide 100 by the absolute value, then add 1.

Decimal odds are easier to compare and show your total payout per unit wagered, making line shopping and global betting easier.

Yes, our converter handles both positive and negative moneyline odds, instantly showing the decimal equivalent.

American odds of +200 convert to decimal 3.00; odds of -150 convert to decimal 1.67.