Convert 4/1 Fractional to Decimal Odds (5.00)

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

Payout Table — 4/1 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 4/1 Mean?

A 4/1 longshot — win four times your stake. Equivalent to +400 American or 5.00 decimal. Common on horse racing outsiders and football outright market contenders.

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

Related Conversions

7/2

+350 · 4.50 · 7/2 · 22.2%

5/1

+500 · 6.00 · 5/1 · 16.7%

3/1

+300 · 4.00 · 3/1 · 25.0%

Need a custom conversion? Use the interactive calculator.

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Frequently Asked Questions

What is 4/1 in decimal odds?
+
4/1 fractional odds equals 5.00 in decimal format. For every £1 bet, your total return is £5.00.
What is 4/1 in American odds?
+
4/1 fractional odds equals +400 in American format. The implied probability is 20.0%.
How much do I win on a £100 bet at 4/1?
+
A £100 bet at 4/1 pays £500.00 total — that's £400.00 profit plus your £100 stake back.
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