# Python Program to Calculate Compound Interest

Python Program to compute or calculate compound interest; Through this tutorial, i am going to show you how to calculate or compute compound interest in python.

Please look at the compound interest rate formula.

## Python Program to Calculate Compound Interest

• Python program to compute compound interest
• Python Program to Calculate Compound Interest using Function

### Python program to compute compound interest

```#Python program to compute compound interest
p = float(input("Enter the principal amount : "))
t = float(input("Enter the number of years : "))
r = float(input("Enter the rate of interest : "))
#compute compound interest
ci =  p * (pow((1 + r / 100), t))
#print
print("Compound interest : {}".format(ci))```

Output

```Enter the principal amount :  1000
Enter the number of years :  2
Enter the rate of interest :  5
Compound interest : 1102.5 ```

### Python Program to Calculate Compound Interest using Function

```#Python program to compute compound interest using function
def compoundInterest(p, r, t):
ci = p * (pow((1 + r / 100), t))
return ci

p = float(input("Enter the principal amount : "))
t = float(input("Enter the number of years : "))
r = float(input("Enter the rate of interest : "))
#call compound interest
ci =  compoundInterest(p, r, t)
#print
print("Compound interest : {}".format(ci))```

Output

```Enter the principal amount :  1000
Enter the number of years :  2
Enter the rate of interest :  5
Compound interest : 1102.5  ```

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