Probability is that which tells at what extent an event can occur. Tossing a coin give you head or tail. Here the possibility of getting head or tail is equal, the Probability is 1/2.
Tossing a Coin
Suppose we have tossed n number of times. Here the Probability varies based on the outcomes in an event.
The Probability of getting head is
Probability of Getting Head

The Probability of getting tail is
Probability of Getting Tail

Coin toss Probability Calculator calculates the probability of getting head and tail for the given number of coin tosses. This is online tool which makes your calculations simpler. you just have to enter the number of ways of getting heads and possible outcomes the calculator will calculate both the Probability of getting head and tails. 
Here are the steps to find the Coin Toss Probability
Step 1:
Read the given problem and note down the how many times a coin is tossed and how many times the outcome of coin is head.

Step 2:
Find the Probability using the below formula

                  Probability of Head = $\frac{Number\ of\ head\ outcomes}{Total\ number\ of\ outcomes}$
           
The Probability of getting tails is

                  Probability of tail = $\frac{Number\ of\ tail\ outcomes}{Total\ number\ of\ outcomes}$

Substitute the value in above formula and get the answer.