houdini Predictions

Betting odds calculator

Convert Decimal To Fraction,Fraction to Decimal ..
Decimal / European Example: 1.75
Fractional (UK) Example: 1/3
American / Moneyline(US) Example: +250
Hong Kong Example: 0.35
Indonesian Example: -3.00
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Fractional Odds

What is Fractional odds ? This is a common line from Britain

Profit ----➔ 6/5 🠰 ---- Stack

How to convert ?

Stack X Odds + Stack = Return

Odds Stack Calculation Return
6/5 100$ 100$ * 6/5 + 100$ 220$
1/1 100$ 100$ * 1/1 + 100$ 200$
3/10 100$ 100$ * 3/10 + 100$ 130$
37/5 100$ 100$ * 37/5 + 100$ 840$

Convert Decimal to Fractional

Decimal = Fractional + 1

1.40 = 2/5 + 1

1.40 = 0.4 + 1

You can try it in the calculator above

American Odds

There are two kind:
+Positive(Underdog team) And Negative(favorite team), and the ratio is based on a stack of 100 units.

If the odds are positive +250
it say if you put 100$ you will get 250

If the odds are negative -150
it say you must risk 150$ to win 100$

1.40 = 0.4 + 1

Converting from Decimal to American

If the odds are 2.00 or more:

American Odds = (Decimal -1) X 100

If the odds are Less then 2.00:

American Odds = (-100)/(Decimal -1)

Odds Calculation Result
3.00 (3.00 - 1) X 100 +200
2.50 (2.50 - 1) X 100 +150
1.50 (-100) / (1.50 - 1) -200
1.35 (-100) / (1.35 - 1) -285

Convert from American to Decimal

If the odds are Positive ,Just divide US odds by 100 and add 1

Decimal = (Us odds / 100) + 1



If the odds are Negative

Decimal = (100/ Us odds) + 1



Odds Calculation Result
+220 (220 / 100) + 1 3.20
+400 (400 / 100) + 1 5.00
-140 (100 / 140) + 1 1.714
-170 (100 / 170) + 1 1.588