Convert 1/2 Fractional to Decimal Odds (1.50)

American
-200
Decimal
1.50
Fractional
1/2
Implied Prob.
66.7%

Payout Table — 1/2 Odds

Bet SizeProfitTotal Payout
£10.00+£5.00£15.00
£25.00+£12.50£37.50
£50.00+£25.00£75.00
£100.00+£50.00£150.00
£250.00+£125.00£375.00
£500.00+£250.00£750.00

What Does 1/2 Mean?

A 1/2 fractional line means you win half your stake. Bet £10 to profit £5 (total return £15). This is the UK equivalent of -200 American or 1.50 decimal — a strong favorite.

At 1/2 odds, the implied probability is 66.7%. A £100 bet returns £150.00 total — that's £50.00 profit plus your £100 stake.

In decimal format, 1/2 equals 1.50. In fractional format, it's 1/2. And in American format, it's -200.

Related Conversions

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Frequently Asked Questions

What is 1/2 in decimal odds?
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1/2 fractional odds equals 1.50 in decimal format. For every £1 bet, your total return is £1.50.
What is 1/2 in American odds?
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1/2 fractional odds equals -200 in American format. The implied probability is 66.7%.
How much do I win on a £100 bet at 1/2?
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A £100 bet at 1/2 pays £150.00 total — that's £50.00 profit plus your £100 stake back.
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