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Coin Flip  Calculator

Coin Flip Calculator


Number of Flips (n)

Number of Heads (X)

Probability of Heads (p)

Type of Probability


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The Coin Flip Calculator determines the probability of a flipping coin. Coin flipping is based on probability principles and we can predict the possible outcomes.

Let’s have a look at what is the Coin Flipping Probability

What is Probability?

Probability is a way of predicting the likelihood of the occurrence of an event. The probability value is expressed between the values 0 and 1. The probability calculator estimates and predicts the possible outcomes of an event.

Let us consider the coin flipping probability, when a coin is tossed the likelihood of getting heads and tails is ½ and  ½  respectively.

The formula of the probability is as follows:

Probability of an Event = Number of Favorable Events/ Total Number of Possible Outcomes

Coin Flipping Probability:

The coin flip probability can be either Head (H) or Tails (T) when we are discussing the coin flip odds. The resultant subset S= {H, T} is the sample space, now the probability of the sample space (either Heads or Tails) is always present and it is “1”. On the other hand, the chance of an empty set (neither Heads nor Tails) is always “0”. The result can be predicted by the coin flip calculator and we can exactly predict the expected probability of heads or tails while flipping a coin.

Coin Toss Probability= [(Expected Outcome)/(Total Outcomes)]

Random Coin Flip Odds:

The Random Coin Flip Odds have only 2 possible outcomes. Therefore, when using the coin flip odds calculator, we can predict:

P(Head) = P(H) = ½

Similarly, the coin flipping probability of getting a tail is:

P(Tail) = P(T) = ½

The Number of Possible Combinations:

There can be different combinations of the coin toss probability, these combinations can be different for combining the heads, or tails for specific coin flip odds, we can use the coin toss calculator to find the possible combination. The possible combination of 4 tosses and the probable combination can be 2^4=16 


To find all the coin flipping probability combinations, we use the formula 

 nCr = [n! / r! * (n – r)!]


   n = total number of items 

   r = the number of items being chosen at a time

The possible combination can be determined by the combination calculator.

For finding all the combinations of heads or tails, it is essential to find the factorial values. The coin flip probability calculator finds all the factorial values and finds the possible outcome combination

Binomial Coefficient and Coin Flipping:

When we are doing more complex coin flip probability, then we need to use the binomial-coefficient calculator for the maximum number of combinations.

Number of combinations =1716

Whatever the number of combinations, a coin flip calculator can produce an accurate result in a matter of seconds.

Practical Example 1:

If you flip a coin 6 times, then what is the coin flipping probability of getting the head twice?


The coin flip odds of getting heads 2 times of the total 6 coin tosses:


Coin Toss Probability of heads = 2/6

Coin Toss Probability of heads = 0.33

Similarly, the portability of getting a tail can be predicted as:

Coin flipping probability of tails = 6-2 = 4

Coin flipping probability of tails = 4/6 = 0.66

A coin flipping calculator produces accuracy for any combinations and possible outcomes.

Practical Example 2:

What is the coin toss probability of getting all heads when you toss a coin 4 times?


The total number of possible outcomes when a coin tosses 4 times, is 2^4=16

The heads or tails generator predicts the following coin flipping probability


The coin flipping probability formula is:

Coin Toss Probability= [(Expected Outcome)/(Total Outcomes)]

The possibility of getting all heads = [HHHH] = 1/16 = 0.0625

The coin toss probability calculator generates all the possible outcomes and we can predict the probability of the occurrence of the event.

Working of Coin Flip Calculator:

The coin flip calculator work by following the steps 


  • Enter the number of the flips
  • Insert the number of the heads
  • Choose the Type of the probability 
  • Hit the calculate button to calculate the coin flip


The coin flip calculator predicts the possible results:

  • Probability of heads
  • Chances of the success
  • The whole calculation 


What are the Various Types of Probability?

The various types of probability are given below:

  • Classical Probability
  • Conditional Probability
  • Unconditional Probability
  • Experimental Probability
  • Theoretical Probability
  • Markov Chain Probability

The coin toss probability calculator uses classical probability to find coin flipping.

Can you Predict a Coin Flip?

Yes, we can predict the coin toss probability by the probability rules. The coin flipping is only predictable when unbiased flipping is done. The unbiased estimation can be done by A coin flipping calculator 

What are the Odds of a Fair Coin Flip?

Let’s suppose in a fair coin flipping, we need to understand the fair coin fliper has a 50 % probability of head or tail. Fair flip is only possible if both head and tail sides have equal weight and smooth sides.

Why do People Flip Coins?

Coin flipping is a simple and unbiased way to settle disputes between two arbitrary options. In different games, the heads or tails coin flipper is used to decide the term or the sides of the teams.

What is the Probability of Getting 3 Heads in 3 Tosses?

If you are flipping the coin 3 times, the coin toss probability calculator measures the probability of 3 heads as 0.125.

What is the Probability of Tossing 4 Coins?

The probability of one combination is 1 /16 of 4 coin flipping, these combinations can be all 4 heads or tails and the coin probability calculator forecasts all the possible outcomes.


The coin flip calculator measures the possibility of the number of heads. This provides us the probability of winning the toss when flipping the coin. The coin flip probabilities help to find whether the flipping is biased or unbiased.


From the source of Wikipedia: Coin flipping, History

From the source of : Reverse flipping Coin Flipper,