LineMath

What Does +400 Mean in Betting?

+400 means a $100 bet wins $400.00 in profit. A winning $100 bet returns $500.00 — your stake plus $400.00.

+400 in every format

American
+400
Decimal
5.00
Fractional
4/1
Implied win %
20.00%

+400 payout table

StakeProfit if it winsTotal 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$1,000.00$1,250.00

What win rate does +400 need?

To break even at +400 you have to win 20.00% of your bets. Over 100 flat-stake bets that means at least 21 wins to be in profit. Underdogs win less often but pay more than they risk, so the break-even rate is below 50%.

+400 in a parlay

Parlay legs multiply. Two legs at +400 combine to +2400 — a $100 bet pays $2,500.00 — and three legs combine to +12400, paying $12,500.00. All legs must win.

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Frequently asked questions

How much do you win on a $100 bet at +400?

A $100 bet at +400 wins $400.00 in profit and returns $500.00 in total, including your stake.

What win rate do you need to break even at +400?

20.00%. Over 100 bets at +400 you need at least 21 wins to finish in profit, assuming flat stakes.

Is +400 a favorite or an underdog?

+400 is the underdog's price: a positive number means you win more than you risk, because the outcome is less likely than not.

What are +400 odds in decimal and fractional?

+400 is 5.00 in decimal odds and 4/1 in fractional odds.