Convert 3/1 Fractional to Decimal Odds (4.00)

American
+300
Decimal
4.00
Fractional
3/1
Implied Prob.
25.0%

Payout Table — 3/1 Odds

Bet SizeProfitTotal Payout
£10.00+£30.00£40.00
£25.00+£75.00£100.00
£50.00+£150.00£200.00
£100.00+£300.00£400.00
£250.00+£750.00£1000.00
£500.00+£1500.00£2000.00

What Does 3/1 Mean?

A 3/1 shot — win three times your stake. Equivalent to +300 American or 4.00 decimal. A classic longshot benchmark in UK horse racing and football outright markets.

At 3/1 odds, the implied probability is 25.0%. A £100 bet returns £400.00 total — that's £300.00 profit plus your £100 stake.

In decimal format, 3/1 equals 4.00. In fractional format, it's 3/1. And in American format, it's +300.

Related Conversions

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Frequently Asked Questions

What is 3/1 in decimal odds?
+
3/1 fractional odds equals 4.00 in decimal format. For every £1 bet, your total return is £4.00.
What is 3/1 in American odds?
+
3/1 fractional odds equals +300 in American format. The implied probability is 25.0%.
How much do I win on a £100 bet at 3/1?
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A £100 bet at 3/1 pays £400.00 total — that's £300.00 profit plus your £100 stake back.
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