Convert +400 to Decimal Odds (5.00)

American
+400
Decimal
5.00
Fractional
4/1
Implied Prob.
20.0%

Payout Table — +400 Odds

Bet SizeProfitTotal Payout
$10.00+$40.00$50.00
$25.00+$100.00$125.00
$50.00+$200.00$250.00
$100.00+$400.00$500.00
$250.00+$1000.00$1250.00
$500.00+$2000.00$2500.00

What Does +400 Mean?

A significant longshot at 20% implied probability. Bet $100 to win $400. Often seen on conference futures, MMA underdogs, and golf outright winners.

At +400 odds, the implied probability is 20.0%. A $100 bet returns $500.00 total — that's $400.00 profit plus your $100 stake.

In decimal format, +400 equals 5.00. In fractional format, it's 4/1. And in American format, it's +400.

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Frequently Asked Questions

What is +400 in decimal odds?
+
+400 American odds equals 5.00 in decimal odds. This means a $1 bet returns $5.00 total (including your original stake).
What is the implied probability of +400 odds?
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+400 American odds imply a 20.0% chance of winning. This is the break-even win rate before any vig adjustment.
How much do I win on a $100 bet at +400?
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A $100 bet at +400 pays $500.00 total — that's $400.00 profit plus your $100 stake back.
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